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how to hard rest my pronto tech axius series 7' quad core andriod
How do I hard reset my android pronto tec axius 7' quad core PC tablet  ?? When my touch screen stopped working..I have tried holding down on/off button and +- volume keys and it does not do anything

To give your device much a needed "hard rest", you must physically apply sufficient pressure to all hardware buttons located around your device including the power button and the volume toggles (both!) for a few minutes.
This should be done after several hours of charging to ensure your device has the capacity to respond.


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Wi-Fi problems on CM11 (4.4 KitKat, Samsung Galaxy S3)
I've recently encrypted my Samsung Galaxy S3 (with CyanogenMod 11-20141115-SNAPSHOT-M12-i9300 installed) using vdc enablecrypto wipe, and since then I've been having a problem with the Wi-Fi radio on that phone. When I try to connect to my Wi-Fi network, this error message gets saved in the system log:
INFO/wpa_supplicant(7306): wlan0: CTRL-EVENT-ASSOC-REJECT bssid=[CENSORED] status_code=1

It does connect when I'm really close to the router though. However, as soon as the signal drops past -40 dB, the phone can no longer reach hosts outside of my local network, although it stays connected to the Wi-Fi network itself.
Despite all that, mobile data (HSPA+) works flawlessly. Could anyone help me with the Wi-Fi though?
EDIT: I tried performing a full wipe in my TWRP recovery and reinstalling CyanogenMod, but that didn't fix the issue.

It appears the problem was caused by a corrupted installation of the Xposed Framework - the issue got solved as soon as I reinstalled it.

source: Stack Exchange

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/3.0/

sort: votes


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How to remove the blue bar showing weather information on Samsung Tab 4 T231?
For weather information, time, and unread messages information there is a blue bar on the home screen.
I don't want that. What is the way to remove it?

Could you post the screenshot of your home screen having the blue bar? What changes do you observe on your home screen if you tap and hold that bar?

If its on the homescreen you could try to long press on it and drag it to the X or garbage can. That should remove it from your home screen.

@jer3my that was it. Please post that as an answer. I could see the garbage can on tapping and holding the blue bar and I din't know how to use it.

@Firelord Thanks, I tried again and saw the garbage can as usual, but I didn't know how to use that as of now.

@TheIndependentAquarius Glad it worked for you. =)

@TheIndependentAquarius that is called a widget and your were using a weather widget on your homescreen. You can press and hold to add widgets to your homescreen. And drag them to the top of the screen to remove it More on Widgets

@Lucky the blue also contained time, and unread messages info. Why would that be called a weather widget?

It really makes me wonder...

Widgets come as system default and also by 3rd party apps you install. You may have installed some apps which would have added this to your homescreen. and Could you post the screenshot of the homescreen.? Press and hold Power and Volume down keys together to take screenshots.

I assume the widget he is talking about is the default "All in one" one that samsung puts on damn near everything they make. Top half of this screen.
https://cdn.recombu.com/mobile/images/phones/1328/1394122627.png
It will show unchecked texts and etc in there as well.

If its on the homescreen you could try to long press on it and drag it to the X or garbage can. That should remove it from your home screen.

all_licenses: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/3.0/


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How to remove unwanted system applications in Andriod on Samsung Tab 4 T231?
Several apps come preloaded on the tablet and I want to trash them. What's the way out?

You must have root permissions to remove systems apps. Is you device rooted?

@Lucky I don't know. How to find out?

Easiest way is to download Root Checker from the playstore. https://play.google.com/store/apps/details?id=com.joeykrim.rootcheck&hl=en
Edit. Also not all preloaded apps are "system" apps. Some of the preloaded apps can be removed without root.

What does “to root a phone” mean?

To uninstall apps. Open Settings and find the Application Manager and select the app you want to uninstall. Then you will see the option to uninstall it. If you only see disable, that means it's a system app and will require root to remove.
What does "to root a phone" mean?
How do I root my Android device?
I've rooted my phone.  Now what?  What do I gain from rooting?
WARNING: Removing system apps can impact your system. Certain apps need each other to function.
DISCLAIMER: ROOTING YOUR PHONE WILL PROBABLY VOID YOUR WARRANTY FROM BOTH THE CARRIER AND THE MANUFACTURER.

I checked w.r.t Dropbox. There is an option of "Uninstall updates", "disable", "force stop".  nothing more than that.

That means Samsung labels that as a system app. Which will require root to remove. You can always disable it to hide it from the app drawer.


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How to install Android Package manually (without Google Play, adb install, or "Install" click)
Backstory
Before we get into question, I will explain what happened in my android.
Earlier, I got random bug in my Android that causing my OS got "Half-restored factory settings."
By the means Half-restored, some of my basic configurations are reverted to default (wallpaper, Settings, LINE, Facebook, Browsers, even Google Accounts) while some apps are not reverted. I wonder why.
Then I found that all apps that I installed on SDCard are considered uninstalled by my Android, though the ASEC files are still there.

And when I looked up into /data/data/, all data are still there as well.

Then, I tried to manually mount .asec files (tutorial here) and successfully mount the .asec into /mnt/asec//. APK, data, library and configs are there as well, too.
But unfortunately, even after I mounted the asec manually, it still considered not installed yet by OS.

Question
So those events and conditions raise me questions:

Is there any command, or configuration/text that I can edit to make those mounted ASEC apps considered installed?
How to reinstall those apps without losing orphaned data? (because if I reinstall the app, the app will go to /data/app partition and the /data/data will be overwritten)

Thanks for reading, I'll look forward for the answer.

Additional Info
For additional info, I use ZTE N986 on 4.2.1 Android Jellybean OS (official stockrom), rooted (obviously) + Xposed.
This accident occurs whenever the android has battery collapsed (0% and turned off by itself), though it's not always (even rarely). It's just I experienced this bug numerous times and this always happens when I have 0% battery.


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How to transfer app settings from Galaxy S3 to a S6 without root?
After trying to manually set the "app settings" on my new S6 the same as my S3: I realize it will take me hours.  Is there really no way to transfer all old app settings from my S3 to the newly installed apps of my S6?  Helium needs a PC and others need root on both phones.  Any suggestions?

Reading between the lines: You're looking for a solution to do that directly from device to device with no PC involved? Close to impossible then without root, as no single app can get access to all other apps (or rather their data) without root.

That "possible duplicate" is quite a bit aged, half of the solutions no longer available, and the other half a bit cumbersome (involving multiple apps for backup/restore). Sure we want to close this on behalf of that one?

Related (and newer): Is it possible to migrate apps and their data from one unrooted Android phone to another? / Transfer App data from rooted to unrooted new phone


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Automate Always-On VPN with Tasker
I have a VPN server at home which works great with the built in VPN client from Android 5.1. I can also use my VPN server with the Always-On option, so no problems there.
I want Tasker to toggle the Always-On VPN option so that i can disable it when i'm connected to my home wifi network. Is this possible? I have a Nexus 5 with stock rom, no root.
Side-question: How to disable the Always-On notification message?

VPN control isn't yet supported by Tasker, it's part of a todo list as mentioned in this answer.

With all due respect, that answer is from 2011. So after 5 years we can conclude that VPN will not be supported by Tasker.

I'm going by what I see on the developer's page,  it isn't for anyone else to guess at his intentions.


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How do i copy the boot.img without rooting phone?
I want to get the  boot.img of my android phone (mobile/model doesnt matter i want a general one) without rooting the phone. I have ADB installed and using a linux machine in which i can communicate to phone via ADB. Can any one help ? remember i dont want to root my phone i just want to get the boot img.

Taking a dump of boot partition means taking a dump of a block device and from security consideration I don't think you would be able to do it without root access, as long as you're running Android. However, depending upon the device you may try different offline techniques. E.g. for most of the Mediatek devices, you may try "MTK droid root tools" to take boot dump. On the other hand, you may use a custom Recovery to take boot backup but I assume you're worried of warranty and not rooting so custom recovery would be no go here.


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How can I use an NFC tag to unlock my device
It seems that some of the NFC lock apps don't integrate into the native lock-screen, but present a custom home screen that blocks access to native home screen.
This appears to result a range of issues for the various app solutions, or the apps never get out of beta.
How can I keep the native lock screen and enable NFC unlock?

This can be done since Lollipop with the help of Play Services.

Go Settings > Security > Trust Agents
Enable Smart Lock (Google)
Go Settings > Security > Smart Lock > Trusted Device > Add trusted device > NFC

https://support.google.com/nexus/answer/6093922?hl=en-GB


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Can't mount Android device in recovery mode using MTP
I have a rooted Samsung Galaxy S5, (SC-04F), and unfortunately there was some error when installing a new ROM. Now, it only boots into recovery mode.
I am trying to connect by USB so I can copy over a new ROM file, but, the device will not connect to either my Ubuntu or my Windows computer.
The only available connection option in the recovery mode is MTP. I can successfully connect Odin, and I even successfully flashed a new recovery mode from there.
The one thing I can't seem to do is transfer files. Is there any way I can access the disk on my phone in order to transfer some files to it?

While in recovery, connect your phone to PC and you can transfer files to and from phone using ADB Commands, provided it is installed in your machine.
adb push and adb pull are the commands to send and receive files.
Instructions to install ADB on Ubuntu.
ADB commands to transfer files.

Thanks! This was exactly the information I needed! I added links to your answer for the exact instructions I used.


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Backup moto G firmware without root
I installed Cynogemmod on my moto G, but it was android 4.4, and there is no android 5.0 stable version available for cynogen. so I decided to install motog stock framework, I searched on google, but I didn't get any link of original firmware for my motog dual sim mobile.
There is another option I found is copy firmware from my friends moto G. Is there any way to copy firmware from mobile without ROOT, and without unlocking that device?

To answer the question, no. It's not possible to extract firmware without having an unlocked, rooted Moto G.
To help with your original problem, see this thread on xda-developers forum (assuming you are talking about the original 2013 Moto G, and not the newer 2014 model.)  It has step-by-step instructions for flashing stock firmware onto Moto G.  It links to this site, which contains many stock Moto G firmware images for various models, regions, and Android versions.  You have to make sure you are downloading images matching your phone's model and region, otherwise you may introduce incompatibilities and end up with a non-functioning radio.


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How to run an .APK without installing it on the device with adb?
Is it possible to run a .apk on an Android device without installing the app?
I can do something like this:
adb install com.your.app
and then:
adb shell am start -n com.your.app/com.your.app.MainActivity
This works but it installs the apk on the device and I don't want that. I want to run the apk on the device without installing the apk on the device. Is this possible?

You can install on emulator if you have problem with your device.

It may be possible by running the class directly with dalvikvm command. but i havent tried it https://android.googlesource.com/platform/external/smali/+/jb-mr1.1-dev-plus-aosp/examples/HelloWorld/HelloWorld.smali?autodive=0%2F

for what reason do you want "no installing"? It could be automated to remove the app, so as to only temporarily have it installed briefly,  is this what you are looking for?

Running an APK without installing it?
No matter if you won't accept the answer, running an APK is not possible.
It's not an executable, it's an archive containing the application and instructions on where all it's resources should be placed so that the app can run.
Android APK File Format
Asking this question is the same as asking how you run an iso image, or how you run a zip, or rar file.
If you really don't want to install it, there's no way to 'run' it.
The only alternative is to install it in a sandbox environment or something like that.
You could try to extract the binary from the APK to the device, and using a shell to run it, but I'm NOT to be held responsible if the results are unwanted.
If you told us why you want to run, but not install it, then I might get you a better answer.

I need to achieve the same. I want to run apps the way Facebook Messanger runs the Instant Games. In my app, I have hundreds of plugins and each cannot be part of apk. So can I run those modules, if user wants. I have seen this done by Facebook messanger and Hike for games.

I am sorry but this is not possible.
During apk installation (even via adb), managed by the android Package Manager on the device,
various processes are executed such as:

Determine the appropriate location of the package installation
Copying a copy of the apk file to a given directory (usually /data/app/)
Create the application directory and set permissions to store database and shared preference, native library (usually /data/data//)
Extraction of dex code to the cache directory

There is no way an apk can run on an android device if it's resources and configuration are not on the same device


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Alarm silent, even when not in silent mode
The alarm on my Samsung Note 3 makes no sound. Things that I've tried to resolve the issue:

Ensure that the phone is not in silent mode.
Ensure that bluetooth is not enabled, so the sound does not go to i.e. a headset.
Ensure that all the volume sliders are up (Ring, Media, Messages, System).
No task killer apps in use.
The alarm's volume is set as high as possible and the Alarm Type is "sound".
The alarm's sound is the default Samsung alarm sound Morning Flower.
No location-, time-, or event- based applications such as Tasker, Llama, or IFTTT are installed.
The setting Settings > Accessibility > Turn off all sounds is not set. In fact, other sounds (such as ringing) function as expected.

I see that the alarm 'goes off' in the sense that the screen shows an alarm event occurring which I can either close or put to sleep. However, no sound is produced. What else should I check? The phone is running the stock OS (Android KitKat 4.4.2) and is not rooted.
Additional informations as per the comments:

None of the alarm sounds play. I'm not sure where to find them outside the Alarm application. Additionally, custom sounds do not play either, even though I can play them outside the Alarm application.
The Lollipop update has issues that I do not want to deal with, thus I intend on staying with 4.4 until the unrelated Lollipop issues are dealt with in a future 5.x update.
I know of no special circumstances during which the alarm will sound. It hasn't made a peep in the few weeks that I've been trying to use it. I know that it did work when the phone was new (one year ago) but until recently I had no need to use the Alarm so I haven't used it in some time.
I have tweaked just about every combination of variables, and nothing makes the alarm sound properly. However, the preview sound does play when selecting the alarm sound.
I have not tried any other alarm apps. I do not install many applications on this device, and I will not go installing and uninstalling applications precariously, rather, I prefer to fix what is already installed on the device.
When pressing the Volume Up key, the Alarm seems to stop. It is the same effect as selecting the end alarm function
I have cleared the data from the Clock app. This removed all current alarms, and the new alarm rings! Please make this comment an answer so that I could accept it.

Thanks, sure enough it is more complicated that one would expect! I've asked this related question in the meantime. Thank you!

Silly question, but is the speaker working? The phone rings loudly when it's called?

@Huey: Thank you, the speaker works fine. The phone rings properly, the speakerphone works, and music plays through the speaker as expected.

This wasn't explicitly mentioned in the OP, but can you play the Morning Flower tune outside of your phone? Ie can the file be downloaded and played on a PC, for example? Have you tried other sounds? It could be that the Morning Flower sound is corrupt somehow. It's a stretch, but again, wasn't specifically stated that you've tried other sounds. Another thing -- my Note 3 received the 5.0 update some time ago, perhaps you could try updating if nothing else resolves the issue?

@dotancohen There are some question I would like to ask. .  .   . 1. Is there any "Special Circumstances" in which the Alarm doesnt sounds ? (or does?)  2. Have you tried tweaking all the available option especially using a custom ringtone? 3. Does the ringtone make the preview sound it makes when selecting the ringtone. 4. have you tried any other Alarm Apps? 5. While the Alarm is ringing, try pressing the Volume Up key and share the result. 6. Finally, have you tried clearing cache and data?

@Abhioxic: Clearing the cache worked! Please make your comment into an answer so that I could accept it. Thank you!

Meta thread about moving Abhioxic's comment to an answer.

This answer is credited to user abhioxic, who came up with the solution in a comment.
Clearing the cache and data from the Clock app resolved the issue. After clearing the cache and data, the old alarms were removed (data loss) but new alarms ring properly.

Thank you very much @dotancohen . Its a great pleasure I could help you. And im really impressed by your contributive excellence!

@Abhioxic: The thanks goes to you! I opened a meta thread to try to get to you the bounty based on your comment, but the mods could not do that. But you have some terrific answers in other threads here and on Super User, I'm confident that it will balance out.

Make also sure you don't have alarms disabled in blocking mode, or that blocking mode isn't on. That was my issue. I set up blocking mode because I didn't want to be bothered by notifications of new e-mails and such, but didn't notice that I also blocked alarms.

The thing that helped me, I think, it seems to be running again for now, was to turn off the sync with connection for the clock/date. Put it on manual.

With my phone this happened because another app like Music, Youtube etc. was active in background and was blocking the alarm sound. When I close those apps, alarm starts working properly again. Firstly I resolved it by doing a full restart, but then closing the apps in questions was sufficient. Sometimes even my phone ringer was silent because of this.

I attempted to clear the data and cache of the clock app, but that did not resolve the no sound issue.
However, I pulled down the notification tab and noticed that the sound button was toggled to something called Sound (priority). I've never seen that before, but after turning it off the alarm actually works now.

I had the same problem in my phone. I used uninstall updates to the clock app and reset it to old factory version. It works now. I use One Plus two. I faced the issue after the marshmallow update.

Go to your Sound Settings. Maybe the "Do not Disturb" option is enabled and have scheduled time that may alarm clock affected also. Try to disabled that Do not Disturb option. Let see if resolved.

If you set do not disturb and you set the alarm in that window of do not disturb the alarm will not play.
Either add alarms to the exceptions or change the time.

Sometimes the alarm does not have a sound track set to play. (Happens to me frequently). Make sure the alarm has a track set.

Thank you. Do you mean the sound that it is intended to play? In that case, as I've mentioned in the OP, the alarm is set to play the default Samsung sound "Morning Flower".

Yo can change your phone's alarm ringtone by a new one or you can set the default ringtone for your alarm.

How does that answer the question?

all_licenses: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/


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"adb devices" successfully shows device, but "adb connect usb" inevitably fails, any suggestions?
I have an ASUS ThinkPad, Android 4.4.2, Kernel 3.10.20.  I've checked Settings->Developer Options->USB debugging.  I've disabled Wi-Fi and BT (because I've seen some devices have some conflict there).  Now here's the command line sequence from my linux desktop trying to connect to my ASUS:
joe@OptiPlex-755:~$ adb kill-server
joe@OptiPlex-755:~$ adb usb
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
already in USB mode
joe@OptiPlex-755:~$ adb devices -l
List of devices attached
E6OKCY917549           device usb:1-2 product:WW_K011 model:K011 device:K011

joe@OptiPlex-755:~$ adb get-state
device
joe@OptiPlex-755:~$ adb connect usb
unable to connect to usb:5555
joe@OptiPlex-755:~$

adb connect is only needed if you are trying to connect to a device over TCP IP, i.e. wireless network.  You don't need to issue any connect commands if adb already sees your device in adb devices prompt.  Just issue any other command, e.g. adb shell ls /sdcard/ and it should connect to the only available device.

What is it that you're trying to achieve? You're yet to mention it.

My word, you're right.  Of course I have full adb control from the moment I complete the "adb usb" command.  What I was trying to achieve was to debug an App under Eclipse.  My device that was under ADB control was not showing up as one of the devices I could run on under Run->Run.  But when I press Run->Debug it does indeed run my App on my device under ADB control.
So what to do now?  Remove the question?  Or do you think CHaHK's comment should become the answer?

Here is the documentation on usage of the adb utility.
Basically, adb connect is only needed if you are trying to connect to a device over TCP IP, i.e. wireless network.  You don't need to issue any "connect" commands for a device connected via USB if it is already recognized in adb devices prompt.  Just issue any other command, e.g. adb shell ls /sdcard/ and it should connect.

Thanks friend.  I see you have a high enough rep to remove the question in case you think it's too obvious.  I'll let you decide.

@JoeC It's obvious once you know it. But as you've experienced yourself, it might not be that obvious before. Someone else might tap into the same trap, so the question is fine here – however "stupid" it might seem afterwards :)


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Is "Preferred Activity Setter" a malware?
I have noticed I have Preferred Activity Setter after the most recent update of Google Play Services, and it has been wreaking havoc on my Samsung Galaxy prevail LTE on my stock browser called "Internet" or "Browser" on older phones where it takes me to a site where there was moleculas content and Chrome loads the page then when finished it loaded page disappears except for the URL bar.
I have AVG Antivirus and it also says Preferred Activity Setter is considered a potentially unwanted program (PUP is now invalid, now considered malware). I have tried to force stop it, and it is still active while the "force stop" is greyed out.
Anyway to remove this without rooting it and doing it that way?

Seems a Sprint app: "Sprint app but not sure of purpose - Removed and have seen no issues"

Yeah, as Andrew said, it's some system app..
Not a virus.. It's a false-positive report by your anti-virus.
If you want to remove this app, you definitely have to root your phone.
See this discussion: What is the Preferred Activity Setter

You may not be able to remove it, but you can probably durable it under Settings > Apps (Make site you have enabled "Show System Apps")

@Cowdhury I have tried Force Stop ignoring the warning as now is passively working (don't know how to explain it any better as the app is still running with force stop greayed out) tried clearing all data, using other applications to keep the perferd activity setter disabled now the only solution is root and remove

No. System apps cannot be removed without root privileges. Ignore this warning from AVG. I myself removed it using Titanium Backup, but once again you need to have root for that. If you are ready to take that step, knowing that it will void your warranty, then head over to XDA and research the rooting methods available for your particular phone model.


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Create cookies on Droid Turbo local drive using Chrome
Developing XHTML based product for Droid Turbo. Chrome will not permit javascript from file:/// to create cookies for security reasons. If Chrome is started with "--enable-file-cookies" then cookies can be created but how can Chrome startup be customized on Droid Turbo? Instead of referencing file:/// is it possible to access the same files via http://127.0.0.1, which apparently will not trigger the Chrome cookie problem? Thanks.

Discovered today that Chrome also prohibits geo-location for file:/// based web pages. Enough! Installed Mozilla Firefox on Droid Turbo. End of problem.


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Unlocking Moto G to homescreen
I swipe to unlock my Moto G and it goes to phone book and not home screen. How can I make it go to home screen?

Swipe up. You're used to swiping from the left to right to unlock from pre-Lollipop. The Lollipop home screen lets you swipe from left to right to unlock to the phone, right to left to unlock to the camera, or up from anywhere to just unlock.


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ADB Screen Record with Audio
I have prototype hardware and an application that produces sound. I would like to use ADB to record, the screen, audio out and audio in, all at the same time. Is there a way to do this?
Note: Because it's prototype hardware and we have our own distro of Android (4.4.2, I think, or thereabouts), I (probably) can't use an app - which is why I'm specifying ADB.

for reference,  people who have come here through google: https://stackoverflow.com/questions/24200437/record-tablets-screen-and-audio

seems audio recording is not possible through adb, as per the post linked above


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Grey on black 'suggestion' text?
My Solution: turn off autocomplete and autocorrect completely, and use a different keyboard.
What option will help me turn off this
strange text that doesn't want to go away in the text boxes of some apps like Snapchat? I'm hoping someone will recognize what this is.

Click image for larger version
Moto X using Swiftkey.
The text appears when the keyboard is focused, and nothing seems to interact with it or remove it. It only appears in Snapchat currently.


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Options for Stolen Phone
With an iPhone, you tie your phone to an iCloud account - it happens at the bootloader level. If your phone gets stolen, the thief can't do anything until the previous owner releases the phone from his/her iCloud account.
I have a co-worker who had his iPhone stolen. "Later" he got contacted by the new owner who wanted to use the phone. Obviously, co worker wouldn't do this - that's what you get for buying a stolen phone. The new owner can't do anything with the phone except send it back or break it (he took option two, unfortunately).
I see plenty of options that allow you to track, remote wipe, lock, activate alarm, etc... You can encrypt the device and/or sd...
But what is stopping the next person from flashing or factory resetting the phone, formatting the encrypted SD and using both of those anyways?
So my question is...Are there any standard options that will stop the phone from being reformatted or is that something that's up to the phone manufacturer? I don't want to remotely brick my phone if it gets stolen - I want to stop it from being used by anyone but me - full stop.

There are options to require a password to factory reset phones, But TBH that wouldn't stop someone who is determined enough, You could always install a custom recovery and flash a rom, as far as I know. But I was reading a while back that a lot of carriers are starting to record stolen IMEI numbers on phones and blacklisting them from being activated. As far as I remember anyway.

A good starting point for finding an answer on your issue is our lost-phone tag-wiki. You've already used this tag here (correctly); you might have missed that most of our tags have a wiki associated often containing first-aid and central hints on the topic ;)

@jer3my Stolen IMEI lists aren't 100% like iPhone iCloud lock... friends iPhone went to Russia (Broken and angry "new" owner) and then to some other country. I doubt those carriers go through those measures. I could be wrong.

@Izzy I hadn't seen that, and it's good info - but mostly what I already basically know (for example, I have the Avast app installed with root options enabled - hide app, bring back app if uninstalled, etc). But that information doesn't quite answer if Android (Either via Google or individual Carriers) can say THIS phone is locked to THIS account until the currently tagged owner says otherwise - and formatting won't change that.

@WernerCD ahh good point about phones leaving the country. But yeah Android doesn't have anything like the Apple lock. Not that I know of at least.


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Sync exchange acount with onecloud
Is there a solution/app which allows that the contact and calender data from one account (Exchange) is synced or mirrored to an different account (preferable owncloud)?

Could you add some more information?


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How to fix 'Android is starting' optimization on every boot?
I recently updated to Lollipop on a Moto G (1st Gen).
It was running a bit slow, so I wiped by cache then performed a factory reset as recommended.
I now receive the 'Android is starting optimising app xx of xx' every time I boot.
Obviously not life and death, but it's annoying to have to wait 10 minutes for every reboot.
Is this a known issue and is there any way to fix this?

This is common when using Xposed Framework beta for 5.x.  Do you have this installed?  Was the cache and wipe preformed within Settings, from stock recovery, or a custom recovery?

Run adb logcat > log.txt while booting and look for a line containing dex2oat.

I just had the same exact issue on the same exact phone. After doing some digging it seems like this happens when Android has a problem optimizing one or more apps, so it stubbornly retries all of them. So I uninstalled apps one-by-one and rebooted, and the problem went away after uninstalling SuperSU.
Not wanting to leave my phone unrooted, I noticed I had installed the latest SuperSU (2.79 SR3), so I went here and downloaded the latest stable release (2.79):
https://forum.xda-developers.com/apps/supersu
After installing it I no longer had any issues.
During my troubleshooting I also cleared the cache, although I'm not sure if it helped or not:

Boot to recovery
For the Moto G 1st generation:

Power off the phone
Press and hold volume down button, press and hold power button, wait for about 4 seconds and then release both buttons
Press volume down to select Recovery and press volume up to boot to recovery

Clear the cache
For the Moto G 1st generation (stock recovery):

If you get to a screen that says "No command"

Press and hold the power button for 2-3 seconds
Without releasing power button, press volume up button and release the volume up button
Release the power button

Use the volume buttons to move down to wipe cache partition and select it with the power button
Wait for it to finish (it can take a while) then reboot

For my 1st gen moto X , I was able to resolve the issue by:

clearing up disk space
updating all apps
boot through optimization (~130 apps)
clear cache (2.75MB remains)
power off (shut down)
boot through optimization (2 apps)
clear cache (3.5MB -> 2.84MB remains)
power off (shut down)
boot -- No Optimization!

I was at 500MB of free space and increased that to 5GB by deleting photos and downloads.
A few other ideas from around the net:

Clear cache
Clear up diskspace
Boot into safemode How to use Moto G safe mode (applies to Moto X and Moto E safe mode as well )? | Moto G Phone Guide

It's because Android clears optimized dex files when it needs disk-space. Hence it's re-created during boot. You can read more in-depth debugging  details here.
If you have rooted device, you can try the following app; it locks the dex files, thus saving a lot of time:
https://play.google.com/store/apps/details?id=in.co.giis.optimisingappfixer


text:
Can I have a folder (on the home screen) with more than the default amount allowed per folder on the Nexus 5, which is 16?
I'm searching a way to make all my games into a single folder. Is there a tweak/app/root command to makes my folders (not storage folders, folders in which you can add shortcuts for apps n' stuff) have, for exemple, multiple pages, kinda like in the IOS system, or a scroll-able folder? Or a way of having a folder in a folder (which would be overkill but hey, it's still a way to enhance the capacity of the folders.)?
I'm using a Nexus 5 running the stock ROM with Android 5.1.1. And I would prefer staying like that, not using Launchers or custom ROMs.
Thanks! ^.^

While there are root apps/extensions such as Xposed GEL Settings that will let you modify all sorts of settings in the Google Now Launcher (formerly Google Experience Launcher), folder capacity limits is not one of them. Google's aware that this bothers people and it's a confirmed change in Android M. As the Google Now Launcher is installed and updated via the Play Store, it's not impossible that we may see this update reach Lollipop as well, but if so, we have no way of knowing when.
Your only option, which I know you're not interested in, is a third-party launcher.

Alright. Thanks for the info. Will be looking forward for the Android M update. Thanks!


text:
I want to use an old phone for making calls only, does the OS version matter?
I have an old Galaxy S phone running Android 4.0 and only want to use the phone for calls.  Does the OS version matter?

If you use it only to make and receive phone calls, then no, the OS version doesn't really matter. You might still want to keep up with updates, the latest official version of the OS usually bring improvements to battery life, bug fixes, and other little improvements; but keeping up with updates is much less important if the phone is just used as a basic phone. The protocols serving basic phone functionality (GSM, SMS, MMS, etc) is pretty well standardized and the carrier had all kind of incentives to maintain backward compatibilities.
You might want to turn off mobile data if you're not using it.
If you are using the phone's browser regularly and/or running apps, then is crucial to get the latest version of the OS and the browser. The latest version of the OS and apps also provides security fixes, so running an outdated OS or app can be a risk to you, your data, and to your other devices.
If you are running social apps (e.g. chat, social media) or other apps that relies on an external service (e.g. news feed, sync folder) then it is pretty crucial to keep the apps up to date. Some apps are better than others, but these apps, as they rely on external services, may regularly break functionalities for people that doesn't keep up with updates, as the service evolves. For these apps, it's easier if you keep up to date than to wait until things start breaking before updating.
For purely offline apps, like many stand alone games, keeping up to date is less crucial. You may choose not to update them as long as the current functionality works for you.


text:
How do I remove Google contacts?
I have 3 Google accounts which have a bunch of auto-populated email addresses and contacts I have never intended to add to my Android.
I went to Settings > Accounts > Google > foobar@gmail.com > Contacts > Switched to OFF.
However, when I go back to the phone app, all of the garbage auto-populated email addresses are still there. And when I select one of them, it clearly indicates with a Google logo it was "synced from Google account".
I intentionally don't use Google stuff. I want it off my phone.
If relevant, I'm using Samsung Galaxy S6 on Android 5.1 Lollipop.

I haven't done that, and thus can only give an "educated guess": You've already switched of sync for those accounts you don't want the contacts from. Make a backup from the others, just to be safe. Then go to Settings › Apps, select the "All" tab, and check for something like "contact storage" (not sure how it's called exactly on Lollipop). Chose to delete its cache and data. That gets you rid of all contacts on your device – and afterwards, only those from the accounts with sync enabled should be sync'd back to it.

LineageOS + pico gApps is a very difficult phone overhaul that can do this.

LineageOS without any GApps is the better solution. Especially when the OP states "I intentionally don't use Google stuff. I want it off my phone." If you need parts of that: microG provides a compatible API that replaces "things Google" by "things FOSS" – e.g. the maps API uses OSM, and so on.

You have done half the work.
By this query, we can understand that this new Google's people details sync should be turned off too together with Google contacts as this new service connecting you with others via some other platforms such as Google+.
Follow these steps:
Go to Contacts app - Open contact's settings (by touching 3 dots on the upper right corner) - Contacts to display (select account from which you want contacts from such as from 'phone contacts' or from a specific 'Google account'.
It's done.
Attaching pictures to see inside settings of contacts app.

Note: Be specific with an account as you can see in the picture Samsung is taking contacts from all the apps that are Telegram, Paytm, Hike, and even from Samsung Pay.

What you really need to do is go here Google Contacts. Log in with your account from which you want to delete contacts and then delete any contact you want from here. Once deleted from here, they'll be deleted from everywhere.

What if I want them there but not on my phone?

@Jonathan Just untick contact sync in settings-accounts-google and delete those contacts from your phone.

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/


text:
How can I diagnose if my it's my phone that has a problem with wifi?
I have a Galaxy Note 4 - and I've been having trouble recently with the Wifi frequently disconnecting.
What I would like to do is diagnose whether this issue is specific to my phone, before I send it back for servicing.
Do you have any suggestions how I could conclusively test this?

I recommend connecting the phone to a different wifi network. The easiest way is to take it to the home of someone you know who has a well-functioning wifi, and log in. If a connection's successful, stay with it for a while. Use your phone in the same way as you have been, and if everything works as it should, your wifi is likely the source of the problem.
Another option is to test your network using a different phone or other device. You should log your phone out first, to get it out of the equation. If no problems occur with that device, your phone probably needs service.
There are also public places, like restaurants, that have free wifi. You can test your phone in that type of setting. It would be my last choice, though, because large public networks tend to have problems of their own.

The problem is, because it's sporadic it's hard to get good data about it's connectivity. Is there an app that could perhaps give me that data over a two hour period?

Hi! Sorry my idea wasn't helpful.  There is an app that will do what you want, but according to this page in your [help], it looks like questions asking for app recommendations are off-topic. If you can tell me otherwise, I'd be happy to provide you with the name. Otherwise, a Google or Play Store search will bring it up for you. I hope you get what you need. These issues can be quite frustrating!


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How to root the Teclast X70 3G Android 4.4.4?
My device is Teclast X70 3G. Are there any root method known for Android 4.4.4? I did not find anything available after 4.4.2.
Any links would be appreciated.

What's your device? Or consult How do I root my device first.

@AndrewT. added device model.

Does the 4.4.2 method not work?

There is an Windows application which you can use to root your device kingo root it supports all latest android version. Here is the link to download kingo root http://www.kingoroot.org/

authors: Павел Лебедев


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Random reboots after screen replacement of Nexus 5, twice
I need your help, please.
Last year I broke my Nexus 5 screen.
After replacing the LCD (original) I encountered random reboots every day.
I took it back to the store, they replaced the screen again and the random reboots disappeared.
About a year later, 2 weeks ago, I broke the screen again :)
Took it to a different store and paid again for the original LCD replacement.
Surprisingly, random reboots are back!
My phone randomly reboots itself maybe 3-4 times a day, sometimes it won't turn on until I press the power button for about 10 seconds, and then it starts "optimizing apps" for a few minutes.
I tried clearing the cache, reinstalling kernels, factory reset, wiped everything and reverted to a blank new ROM, problem persists.
I also tried tapping the device, playing with the power button etc... nothing, it doesn't seem to be related.
I went back to the store, but I couldn't even show the problem, as the reboots only happen randomally and there's no way to initiate it.
He didn't agree to replace the screen again, and advised me to buy a new battery (which I didn't)
The technician seems like a nice guy, I don't think he is trying to rip me off.
He is the store owner so replacing the screen will go straight from his pocket, and he's really convinced that the random reboots has anything to do with the screen replacement.
On the other hand, the alternative is me paying again for a screen replacement, which I really don't want to, as paying for two screen replacement is almost like buying a new phone :/
My questions are:
1. How is it possible that the same problem happened twice? Maybe there is something wrong with my phone that is not related to the screen?
2. Any ideas how can I reproduce the reboots manually? so at least I can make him believe that there is a problem.
3. What do you think I should do? I really need a working phone and not excited about paying again.
Thank you!

Thank @Huey, I tried that already. No change.

Could it not really be a battery issue?

Maybe. But I find it hard to believe that a battery issue popped right when I changed the screen... what do you think?

Considering you've done every reset possible and installed multiple new roms and kernels I'd say you've exhausted all software avenues.

I agree. Therefore I'm convinced it's a faulty hardware, I just don't know how to prove it to get a new screen without paying again.

I would say its hardware related. Also that the power supplied to the screen is randomly shorting which is causing the shut downs. I would open the unit and check all the plugs for the screen and the digitizer (aka touch ) and I would bet there is a bent (very slightly) pin on eather the male or female side. I'm a repair tech, and a nice guy, you said the last guy was too, if you ask nice he will probably open it and check for free or close to it. Intermitant problems can be very difficult to track down sometimes.   But that's where I would look first.


text:
Connection Oriented Channel for L2CAP
Does Android support Connection oriented Channel for L2CAP in BLE?
What about in Android M ?
Thanks !

answer from Texas Instruments can be found here

neither of the major smart device OS's support L2CAP CO channels

meaning iOS and Android. posted Oct 7, 2015, after the launch of Marshmallow.

Looks like BlueZ has the support  -  in Bluez 5.x. I will update on this in sometime after checking more.

but BlueZ isn't used in Android...

Exactly, Agreed. But I was commenting to the above comment : "neither of the major smart device OS's support L2CAP CO channels".

Yes will be interesting to see how it develops for use on Ubuntu, raspian, etc


text:
Should I turn off or standby my encrypted phone to maximize lifespan
Should I turn my phone off at night or just lock it, to minimize battery usage and battery wear, and also wear to the flash memory?
This question is similar to Should I keep my Android tablets' power off or leave them on standby mode?, but my phone's encrypted, so everytime it boots up it has to decrypt, which I'm guessing uses up quite a bit of battery to do and IO operations to the device storage.

Which Android version are you using? Which phone model are you using?

Personally I enable airplane mode at night to minimize battery usage. So the device doesn't require a boot when I'm ready to start the day. Just disable the airplane mode.
Airplane mode just disables radio signal (cellular services, bluetooth, etc), since it draws most battery juices.


text:
Not enough fingerpints on the Galaxy S6
I have the Samsung Galaxy S6. I use the fingerprint method to lock my phone. For some reason Samsung has decided that no-one will ever want to use more than 4 fingerprints. The obviously never asked my opinion on the matter.
Fingerprints used:

Left Thumb (when I take it out of my left pocket)
Right Thumb (when I take it out of my right pocket)
Left Index (when it's charging on my wireless charger at work)
Right Index (when it's on my night-stand next to my bed)
Wife's Left Index (or any one of her fingers) in case she needs to use my phone

I can understand that Samsung would need to limit the number of fingerprints that are stored in not, but why 4? why not 5? 10? etc
So the QUESTION is: (without rooting) How can I get 5 (or more) fingerprints stored?

I'm not going to start using another method to lock the phone
I also want my wife to be able to use the fingerprint method
I want to be able to use both my thumbs and both my index fingers.

If you haven't already figured it out, here is how.
Tap Add Fingerprint.
Do your thumb until it reads about 50%, then just switch to your forefinger for the next 50. Heck, you can even alternate, it doesn't know the difference (but of course, it does). That's all. Maybe do your less used finger after the 80% point.
You can do multiple fingers under one name, but what I don't know for sure is one thing... if the finger scanner is dynamic. Meaning, the more you use it every day the better it gets (Fails less often). If not then I would limit it to 3 fingers per "print". If it is then you can do as many as you need.

Interesting! I'll give it a shot.


text:
Integrating gapps into the new rom im installing
I have the recovery file for my S4 mini and I have the new CyanogenMod ROM downloaded on my external SD along with my update file and gapps zip file but i'm not sure how to integrate the titanium update file into my ROM or do I just restart my phone and open that zip once the rom is installed?

You can normally install that zip through recovery itself once the ROM is done installing. So the steps would be:

Go into recovery.
Flash ROM.
Flash GApps.
Flash the titanium update.zip (just the way you flashed ROM and GApps).
Clear dalvic cache and cache.
Reboot.

Hope this helps.

THank you :) Just to be clear what exactly is flash?

"Flash" here refers to normal install (that task of "installing zip" in recovery is what is referred to as flash). Shortening my answer, install ROM and GApps and then install that titanium update.zip just the same way as you installed ROM.


text:
How to install google play store on AOSPA 5.1 Falcon?
My moto G is rooted. I am just about to instal Paranoid Android from a zip file, but then I'll need google applications. I dont want to install a package with stuff that I dont need. I just simply want the google play store and do the installation of apps from there one by one. How do I do that?

I am no expert, just downloaded Gapps and opened it up. Couldnt you just download the file, Then remove the apps that you dont want it to install? - Edit: I know you said you didnt want too. But I am just wondering, why not just download the gapps, flash it, then remove everything but the play store then download what you want. I highly doubt there is a Gapps file with only the playstore in it. Unless someone is willing to custom make it. Ask around on XDA forums. Might get lucky. Hope you find what you are looking for.

Please see: How can I install the Google Apps Package (Play Store, …) on my Android device? You cannot install "Playstore only", there are dependencies to care for. Watch out for packages with "minimal" or the like in their names, I remember there were some "stripped-down versions" available for devices with "small storage".

@jer3my One of the things is that I cant find the zip Gapps that I could use with this Moto G. Do you happen to have the link and some info on the default apps?

@Izzy It looks like I could flash the custom ROM and then the Gapps Pico (that only seems to have really basic things). Right?

Sounds correct, yes. Pico IMHO is the smallest subset available. Alternatively, take a look at the NOGAPPS project, and just flash BlankStore (that's what I use on my Google-free devices, see my Android without Google blog series). Still works, though BlankStore is currently unmaintained. Oh: I didn't try it on Lollipop; but if it doesn't work, just remove it and use Pico instead ;)

@Izzy Thanks for the info. I was wondering....the Gapp Pico gets flashed via the CWM I have, right? Sorry about the newbie questions. :)

No prob – and yes, you flash the archive via your custom recovery (CWM, TWRP, or whatever it is). Or you install BlankStore as system app ;)

You should be able to flash gapps which provides little except Google Play Services and the Play Store (Gmail, Chrome, Google+, etc. are not included).
http://wiki.cyanogenmod.org/w/Google_Apps


text:
Galaxy s4 GTI9500 android version to update
I'm having this phone for almost two years,
Currently running version 4.2.2 Jelly Bean, frankly don't have any known problems or bugs..
I think of upgrading to some of the Kitkat versions, as I know lollipop is still not stable.
My questions are:
1. Currently my phone give me the opportunity to update through FOTA to 4.3, which I've heard is a total catastrophe.
If I do this and than upgrade to 4.4 Kitkat do I collects some bugs on the way from 4.3?

Is it possible to upgrade via FOTA from 4.2.2 directly to 4.4?
Where can I find the new bugs\problems that I will probably have after upgrading from 4.2.2 to 4.4 KitKat, as I am more than fine with the current behavior of my current 4.2.2 version.
Same question as 3 but this time about new features that I will have.
Is it recommended to backup all phone content before firmware update?
What is the chance that my phone will turn into a brick after a firmware
update or will loose information?

If the update is official, the chance of bricking the phone is marginal.

I have an S4 on Verizon. I haven't had any issues since the update to Lollipop or before that with Kit-Kat. However the Lollipop update took up a lot of space on my phone which was a pain.
If I were you I'd go straight to Lollipop which, if I understand correctly what FOTA means, is FOTA capable. You shouldn't have any issues from the 4.3 'catastrophe' as you put it. I will warn you though, lollipop changes the look of a lot of things that do take some getting used to. But I've had it for over a month now and I like it same or better than before. I get much better battery life with Battery Save Mode, just don't use it all the time or it becomes ineffective.


text:
Connected to wi-fi but Whatsapp messages won't send
My phone is connected to the wi-fi but my Whatsapp messages won't send.  They have a clock icon next to them.

Have you tried using another wi-fi connection? If the one you're on now is routing whatsapp traffic badly, then it may cause that.

First wait for sometime, while device is connected to wifi and it starts to auto update apps and uploading/syncing of local data backup such as photos, notes, contacts get started.
If you're seeing a syncing sign  on the top of the screen as shown in picture then wait for sometime until process ends.

Alternatively, the other major thing could be settings turned on that is "stop app using data in background".
I use above settings to prevent specific apps from using heavy data in background.
Read the linked article.

Yes, I could have but someone else would have probably down voted and moved on. Next, please use quotes only for direct quotations from a source to add to your answer. Not for your answer text. Thanks for cleaning up +1

Images are also subjected to our referencing policy. That image appears to have come from this source.

Here is a solution that should fix it

Phone Settings
Apps
WhatsApp
Data Usage
Wi-Fi Disabled - Toggle this back to ON.


text:
Can I modify a Google Document document table from Android or on the Web?
I have an Android 4.4.2 KitKat device with the Google Drive and Google Docs apps installed. With these I am able to open a Google Drive document but I would then like to insert a row or a column in a table, and cannot find the functionality to do this from within the Drive or Docs apps.

Is it possible to insert table rows or columns from Drive or Docs apps?
Otherwise, do I need to download the file first, and if so, then what app should I use to do the modification?
Or should I use the Chrome web browser on my device to insert the table rows or columns, and how is this operation carried out?
Or should I just give these three options up, download to my PC, open with MS Word or LibreOffice, then upload back (at the cost of having to sit at my PC's table to do this)?

Thanks.

EDIT:
What OS are you running @LieRyan? I don't have the ellipsis which appears in your menu. I ended up using an application called OfficeSuite, which despite being a bit pricy at about 15$ a year, can edit Google Docs apps and manipulate tables contained therein without having to download the document to the device and then upload it again.
OK, here is the screenshot from Google Drive on my device. As you can see the ellipses allowing the table to be edited are missing:

See the blue pencil button on the bottom right? Tap on that to enter the "edit mode" and the editing tools should appear.

OK, now I see. As soon as the document with the table is opened I can click anywhere in the document (inside or outside the table), to toggle the blue pencil icon in the lower-right-hand corner. When this happens a paste button with the ellipsis shows up. Clicking elsehwere and then in the table cell brings up a select all, cut, copy, paste, insert link, comment, and ellipsis. Clicking on the ellipsis for that cell pops up a menu with a white background on the bottom of the screen. The key to inserting a row is realizing that you can scroll such menu to find the insert row column above below.

Yes you can do this within Google Drive/Docs app. Enter the edit mode of the document that you want to edit; tap on the cell you want to add row/column on, a hover menu will appear; then tap on the overflow menu (circled red):

A list of actions you can do on the cell will appear, scroll through the list of actions to find the ones for inserting row/columns:


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How do Xiaomi and YU! (CyanogenMod) phones have Google Play Store in India?
Earlier I had asked a query on how CyanogenMod is it from Android. The answer mentioned an interesting point:

CyanogenMod is not permitted to ship the Google-Apps with their ROMs,
  you have to install them manually (if you want them), or leave them
  out.

Now phones like Xiaomi and YU! are being launched in India, both running forked version of Android - Xiaomi's own MIUI OS and CyanogenMod respectively.
From the earlier answer and this article I understood that the forked versions of Android will not be Google approved and thus will not be able to access Google Play Store. But both these phones have access to Google Play Store and come pre-installed with them. How and why?
Also why does Amazon's Fire OS still is unable to access Google Play Store (hope I am right on this one)?

I'm voting to close this question as off-topic because legal questions are off-topic here. Note: this question is not about how and why Xiaomi and Yu! can ship with Play Store technically?

Core Android ROMs have pre-installed google apps.  Nexus mobiles have Core Android ROM.
Nowadays each manufacturers have their own custom roms such as Lg has its own  os(Forked versions of Android) same as Xiaomi(MIUI). Samsung , Sony , Micromax have also started to customize their OS in order to achieve better performance.
Google apps needed only plateform Android. Custom Roms make no difference to installation and support of google apps. Each android custom roms support all google apps. Sometimes they have given pre-installed google apps ans sometimes not. At that time we just need to download it.


text:
Cannot change lock screen other than password/PIN after installing certificate
I am using XOLO Q1010i. In order to use the university WiFi network, I need to install an authority certificate (WiFi credential). To do so, the device made me installing a lock screen (PIN or Password), any other lock screen choice is not available and grayed with a message

Disabled by administrator, encryption policy or credential storage

Is it possible use lock screen other than those?

Talk to the administrator.

This is unfortunately a restriction enforced by Android: when the user has installed their own certificates, a secure lock screen is required. Without rooting, there's nothing you can do.

Android imposed this restriction for "security" purposes. When whoever buys the android uses their own certificates, a secure lock screen is required. You can root it. But that's about it. You should talk to administration or even an I.T. student.


text:
Hangouts Crashes on Start can't seem to write to com.google.android.talk
I recently updated to a more recent version of the 12.1 nightlies of Cyanogenmod on my Nexus 5. Everything Google related seems to work except Hangouts. When I open hangouts it crashes immediately. The logs seem to show an inability to write to data/data/com.google.android.talk and an inability to read the SQLite databases within (some exploration in the shell reveals that the folder is empty).
What I've tried:

Wiping the caches
Installing new versions of Gapps
Wiping data and cache for Hangouts
Installing Hangouts Dialer
chmod 757 on that folder

I see that just about every data folder has a unique owner and group, could hangouts have somehow gotten mixed up?

I booted to recovery, wiped the caches, flashed a version of gapps for 4.4, then flashed the latest version of gapps then won.


text:
Arabic language for HTC 1 M8
A Syrian guy bought HTC 1 M8, it still new, so I don't know what's the android version but it's the default one. He came to me for help.
He wants the whole system to be translated to Arabic, and that language isn't available. According to this video, if we just force stopped customization settings provider, it will allow us to select the Arabic language from settings.
Is It correct? Is it that simple? Don't I need to root it and stuff? What happens if he restarts the device?

I rooted the phone and installed MoreLocale 2, and gave it root permission from SuperSu. If you want another method, you could try this.


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Nexus 7 - Stuck on boot animation. Fastboot detects device but ADB doesn't
My Nexus 7 (2012, WiFi) is stuck on the boot animation. I can detect it in Fastboot but not with ADB. Is it still possible to backup the data before I wipe it?
It's not rooted and the bootloader is locked.

Can you boot into Recovery?


text:
ADB sideload and fastboot uses. What's the difference?
1) If i want to flash a stock rom what should I use adb sideload or fastboot. I have seen on youtube people using both of these. Are both of these similar or different. Sorry if this sounds stupid but I'm a noob and I'm very confused.
2) Do i have to unlock bootloader for flashing stock rom.
3) Does fastboot oem lock/unlock command works on every android device.

Folks consider adb sideload <ZIP> when they have a ready to flash .zip file. The command is mostly used when booted into Recovery mode.
Fastboot on the other hand often deals with per partition flashing at a time. E.g. fastboot flash  recovery <IMG> -- only flashes Recovery partition and not all the relevant partitions for ROM installation. ADB sideload <ZIP> usually does full ROM installation in one go.

You unlock the bootloader only if it is locked. Google Nexus devices comes with locked bootloaders while some Chinese Mediatek devices comes unlocked. You've to search web for your model.

No, the command doesn't work on every Android device. The reason is 2.

So can i achieve full rom installation like "adb sideload" with any specific fastboot command.

@ANURAGBHASKAR As long as you have all the related files (must be flashable via fastboot like .img, .bin) you can flash them using fastboot, and Stock or whatsoever ROM to which they belong would be installed. E.g. This zip has files that can only by flashed through fastboot, while this zip can be flashed using adb sideload or via "install zip" of Recovery. Both would achieve the same result (installation of Stock ROM) in this case.

@Firelord "the reason is 2": yes, sometimes. But sometimes it's 4: device is locked, but manufacturer took precautions to disable unlocking. Sad but true. +1 nevertheless :)

fastboot help | grep zip ;
update                         Reflash device from update.zip.

@user1133275 care explainining what you mean  by that comment, and why the downvote, if that's yours?

ADB sideloading can be used to push a ROM into you device via you PC. Fastboot can flash a ROM (Most likely stock) by installing each parts one by one.

I have edited and removed the spammy link. See https://android.stackexchange.com/help/promotion


text:
Old phone to track my bike in case of theft
I have an old galaxy s3, I was thinking of storing it in my bike seat or a lockbox on my bike in case it gets stolen so i can track down my bike. Is there any way of doing this without a sim card(phone works without one) or a sim card without data, just minutes? I live in Canada and the cheapest simcard with a dataplan i can find is 711 speakout for$10 a month. Im looking to spend less than that, anyone have any ideas?

Is your stolen bike more valuable than the trade-in value  of the phone and the cost of the plan for tracking.

Plus you'd most likely have to charge it on a daily basis. That being said, this question doesn't seem to be Android specific. You might have better luck asking on Bicycles

@wbogacz yes it is, I really dont get why people post these none answers.

One possible solution would be to use avast! Anti-Theft which allows you to text 1234 LOCATE to your phone in order to locate it, replacing 1234 with your avast! PIN number.


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Bypass Swipe to unlock in Android 5.0.2
I have upgraded my Sony Xperia Z1 from Android 4.4.4 to Android 5.0.2 and now, when the screen is locked, I first have to swipe before I can enter the pattern. When I go to Settings -> Screen Lock, there is an option None, but it is greyed out because of
Disabled by administrator, encryption policy, or credential storage

What does this mean and how can I change this?

Are you rooted?

You have set a custom VPN, encrypted your phone or something else that requires a lock screen on your phone. To disable that you will need to decrypt, remove your VPN's to get only a swipe lockscreen back.
On Android Lollipop, Google has added the swipe-up before you can enter your pattern. I don't know why the did that, but they found that usefull.
Hope my answer helps!

Thanks for your answer. I have indeed once set up a VPN, but by default I am not connected with it. I find it hard to believe that these two things are related. I have not encrypted my phone (I think).

@physicalattraction if you are rooted you van remove the lock screen even if you have a vpn.

What does "rooted" mean? If it is a deliberate action on my side, then I didn't do that.

@physicalattraction take a look at this: https://en.wikipedia.org/wiki/Rooting_(Android_OS)

Thanks! I don't have my phone rooted. Are you saying my phone needs to be rooted to bypass the swipe screen? Seems far fetched to me.

@physicalattraction Phone definitely needs to be rooted to bypass the swipe but still have the pattern; you must have no VPNs, user-installed certificates etc. to use no lock screen at all.

You need to go to: settings; security; credential storage. And then clear credentials and then you can activate unlock by swipe


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How do I browser folders in Lollipop?
How do I browse my Downloads folder on my Nexus 6? Or Pictures or Audio or any folder?
Right now, I do so by opening Gmail, and browsing possible attachments, which is silly but works.

Simplest of all, by downloading one of the many filemanagers from the Google Play Store or from your favorite Android app store. These would allow you to show files there.
For files downloaded via Android´s built-in download tool, you can access the ´Downloads´ app on your Nexus as well. However, that will limit you only to starting an associated app for the download (if one is available).

Android Lollipop has a basic media file manager (USB Storage)

Open your Settings app.
Tap on Storage
Tap on Audio, Vids, Pics or Download

or download Total Commander (this app does NOT contain any ads!!!)


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Camera not able to connect
I rooted my Micromax canvas HD phone and flashed a ROM. After which if I click on the camera app it says that it cannot connect to camera. This is only for back camera, the front camera works fine. This is the second ROM I flashed and a friend of mine flashed the same ROM on the same model. So why isn't the camera working on mine?

Hard to help you here, Amit, if you not even mention which ROM you've flashed. I recommend asking where you've downloaded it. It might even be a known limitation (yes, this sometimes happens with custom ROMs – and usually these limitations are pointed out).

Maybe a bug in the ROM, a lot of ROMs come with bugs which is why you should choose well built ones, like cyanogen mod, You could always try reverting to your previous ROM is you don't get this fixed.

Didn't you mean Cyanogenmod (Stable) since it also has Nightlies which are meant to have bugs?

yes thats what i meant,


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Facebook app cannot play videos
No videos work on my Facebook App. It says:

Cannot play video. Sorry but an unknown error occured while trying to play this video

Please add more information like your phone model number, Android OS version and how you are connected to the internet (3G / WiFi)?

Try reinstalling the facebook app and check whether it works..


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Using WhatsApp on Web, but camera not working?
I'd like to use WhatsApp on my web browser but I can't scan the QR code. Opening the scanner on the QR code brings the error "Cannot start camera" Is there any workaround to scanning the WhatsApp web QR code without using WhatsApp's inbuilt camera scanner?

Does the camera only says this, or the Whatsapp itself has the issue of unable to use Camera somehow? May be you could post a screenshot of the error in Whatsapp. Also, have you restarted the phone? // Did you do something (root, app install, or similar) prior to the starting of the issue?


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Android music players show wrong album artwork
I've started Googling last night on why all of the android music players show the wrong album artwork for my "Unknown" album. For example, when I play any song in this album, the big album artwork shows up, which basically shows a male rapper for like 80% of my songs. Playing music on the plane makes it look like I have a crush on this guy or something.
Can someone help me figure out what the problem is? I've searched my ENTIRE music folder for ALL instances of pictures, and there's not 1 single picture file in the entire folder. I have no idea where it's coming from.
I tried deleting the entire Music folder and resyncing it last night with my Desktop, but the album artwork came up yet again.
Any help would be greatly appreciated. I've had this problem for awhile now and just never really looked for a solution until now.

possible duplicate of Music player showing the wrong album art

This other thread just simply changes the album for every song doesn't it? Is that the only workaround that's really out there that you know of? Thanks for posting this btw.

Is there any easy way to get real tag info associated with the songs?


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Which android internet browser can download a specific file by clicking on a specific button?
I'd like to see the four different graphical altitude profiles (original, 1st, 2nd and 3rd alternative) for my specific route with my personal profile (write something in the field "Profile") on my smartphone (Android 5.0) created with http://brouter.de/brouter-web/ and download it by clicking the GPX button.
I've tried following android apps (without success):

Google Chrome
Chrome Beta
Firefox Beta
CM Browser
Ninesky Browser
Opera
Opera Mini
Dolphin
Photon Flash Player

Only with the Dolphin app I was able to paste by clicking in this field a text (the code from a customized profile for optimal route calculation which is saved on my smartphone), but clicking on the Download Button on GPX didn't work. I was asking why does the internet browser app not allows to click on the GPX text.
Summary:

In the Dolphin app: insert of the code works, also the choice of the four alternatives perfectly works. But the download is impossible.
Only with the Android app Opera I was able to download the GPX file, it really works! But here in this web browser I was not able to insert the customized brf profile text.

Is there an android app which can do both: write a code in the "Profile" field and click onto the "GPX" to download the calculated route?

Is this question not concerned like "Using your Android device"? How would you suggest me to improve this question?

It sounds like your problem may not be with the browsers, but that Android doesn't have any app willing to support the specific download.
You could try downloading an app which has an option to support all downloads, such as ES File Explorer. It should then offer to open the GPX file when you click on it to download.

No, that's not true. With the android app "Opera" the download of the GPX file works. Because the GPX button has no URL (because the file is generated every time newly), you cannot use ES File Explorer for this webpage.

@laminin -- All that says to me is that Opera is already allowing you to download any file. ES File Explorer doesn't open web pages, but just provides a handler for opening arbitrary files. If you already have ES File Explorer installed and setup to handle any file, then this answer doesn't help you. If you don't, I would suggest you try it.

Yes, I already know it and I also like it as a download manager, but for this webpage it doesn't work.


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Flash CM on encrypted phone running stock Android
My Nexus 4 is currently running an encrypted Android 5.1.
Now I want to flash CM12. Can CM access my Data after flashing or do I need to remove the encryption before flashing?

In short, you will most likely lose all your data, because:

You have to unlock your bootloader when you install a third party ROM. Unlocking the bootloader will erase all your data.
The new installation might not be able to decrypt your data.
Even if it would work, it is still not recommended to keep all the data when installing a different version or make of a ROM.

You should make a backup of all your data, then format your phone.

Ah true.. I forgot that I need to unlock the bootloader.. But what if I'm already running a custom rom? What if I wanted to change from CM to Paranoid?

full-disk encryption has the same implementation across all Android flavors, AFAIK. there's really no reason that distributors would change that.

It's usually best to reduce the number of variables as much as possible before flashing, including un-encrypting. And you can't have too many backups!


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How to know on which Google account text messages (SMS) are saved?
I have 2 Google accounts on my phone. How can I know on which Google account text messages (SMS) are saved?
I use a Samsung Galaxy S5 SM-G900A with Android 5.0.

Currently, text messages are not saved to your Google account (however useful that would be...). However, Hangouts are saved to your Google account, and you can check which account is active in the Hangouts app by swiping from the left and checking which profile is shown at the top of the navigation drawer.


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Cruz T301: USB Storage Not Recognized
I have a Cruz Tablet (T301) that runs Android 2.2.1.  I do not remember if my tablet originally came with a cord or not, but I have a cord that originally goes to a camera of mine that fits both the USB port and the port that fits my tablet, and so used it to connect to the computer.  Upon doing so, I received the notification to turn on my USB storage on my tablet device, which I did.  However, even though my USB storage is in use, I noticed that my computer did not recognize my tablet as a removable storage.
Is my tablet not allowed to connect to computers to be recognized as removable storage?  If not, what do I have to do so the computer will recognize my tablet?  If my computer does recognize my tablet, where do I go to find it on the computer so I can transfer files, since it is not showing up under the devices and drives sector of the computer?
I do not know if this will be helpful, but I've noticed that the only thing that has been working is the tablet's registration of charge: it seems to be charging just fine.
Upon rising to my suspicion, I thought about if it had anything to do with the SD card.  Safely removing it, I turned the SD card over to an adapter, hoping that maybe a more direct link will do something.  Much to my dismay, I saw nothing.  I remember changing the format or something of that nature of one of the SD cards on my phone, and my phone is an Android 2.3.  I think that was the SD card, but did I make a mistake doing so?

Do you have the latest USB drivers for the T301 installed?

In all honesty, I'm not even sure if I have the latest USB drivers for the T301.  What are the latest USB drivers, and if I don't have it, where can I get it?

Download driver near the bottom of this page: http://www.cruztablet.com/Cruz_downloads.php

When I reached the page you navigated to me, I clicked the Cruz Tablet Firmware Update Utility, T301 Tweak Tool, and Android ADB USB Driver: none of the links required me to download anything.  However, I have been able to reach the T301 Update: should I try that first before I use any of the other lower links?

Sorry, was out of town for a week. See my posted answer.

Right-click those links and manually download or here is the full link for USB driver.
Read this article on how to install the drivers.
After installing the drivers, see if you can see the Cruz from your PC. If not, reformat the SD card in the T301, put it in your PC, and copy a file to it. Then back in the Cruz and see if you can at least see the file. Though not a direct solution, at least you will be able to copy files back and forth.
If that does not work, try the same process with a different SD card. If that still does not work, try formatting an SD card in the PC, copy a file to it, then put it the Cruz. The idea is to get you to the point where something works.


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Cruz T301: Internet Kick-Off
I have a Cruz Tablet (T301) that runs Android 2.2.1.  For the longest time, I've tried to fix this matter on my own, but now I've run out of options.
When I get on the internet, my tablet has an interesting favor towards Facebook: not surprising because it comes with an app/bookmark of Facebook by default.  I can browse Facebook and share as much as I please as well as talk to my friends to my heart's content.  However, if I step outside of Facebook for as short as a second, my tablet kicks me off the internet.
Various options I have embraced to fix this matter.  I've already turned off my Wi-Fi, waited for a minute or two, and turned it back on to browse: that didn't work.  I even restarted my tablet with the aid of my paper clip that keep handy for situations such as this: that didn't work either.  I even became so bold as to perform a factory reset: even then I'm still being kicked off the internet.
I only have one application that allows me to browse the internet on my tablet: Browser, which also came by default.  Is there anything else that I haven't tried yet that may aid me in this situation?  Is it the application, or the tablet itself?  Do I have a virus, and I'm just not aware of it?  If I do have a virus, how do I get it fixed?

You did a factory reset so I suspect it is the stock ROM. Have you looked into rooting your tablet and flashing a different ROM?

No, I have not considered rooting my tablet to flash a different ROM.  In fact, I don't even know what that is, let alone how to do it on my tablet.  How can I root my tablet to flash a different ROM?

Rather than continue to add comments, I'll post this as an answer. Steps to follow to root your tablet and flash a custom rom:

backup your device
root your device
backup personal data and settings, if any, with titanium backup (you can skip since you did a factory reset)
install clockwork mod recovery
flash with Feyer's Resurrection ROM; seems to be the best supported; no reports of wifi problems; also make sure to read his tips on keeping the T301 working well.

The ROM Manager ClockworkMod requires me to have Google Play, which I cannot add to my Cruz T301 because it is not under the list of supported devices x.

You can manually install it by putting it's apk file on an SD card and running the apk file. Been out for a week leaving again for a day. Google for clockworkmod apk should find it.


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Google Play Music songs don't show up -- but only on one of the devices I own
I got a few albums uploaded, all the songs (the full albums ) show up in my tablet ( Samsung S ), also they show up in the web player and in my old Samsung S3. But my S4 with lollipop just shows two or three songs of each album.
I already tried refresh, also I changed the storage,  I cleared the data, and the cache. But everytime I log and browse the albums just two or three songs shows up.
Edit.
Also I wiped out the whole system and even the dalvik cache.

Well finally it seems to be a problem with Google services and not my phone or devices. I took a more drastic approach and removed all my music from the cloud and uploaded again, all sixty gigabytes of music, but everything is great now.
Someone could try also @Mark Schwartz approach, but that didn't seem to fully solve the problem for me. It improved the amount of songs that appeared on the phone , but still not all of them.

I was having the same problem and have a case open with Google on this issue.  While I have not heard back from them yet, I continued to investigate this issue myself and may have found a solution.  What I did was open Goolgle Play music from my browser on my laptop.  In settings, under my devices I deactivated my Android phone (Galaxy S5).  On my phone I did a Force stop of the application and cleared any data.  Then I restarted the app and did a refresh just to force it.
Before I did this, several artists were missing and many songs as well.  for example my phone only showed 8 Beatles songs.  Now I am showing 256.  On my laptop, I still show more songs 269, but it a heck of a lot better.  Other artists I checked show up as well.
I believe this all started after I did a full wipe of my phone due to battery issues with the lollipop upgrade.   Hopefully this helps.
MS


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Cruz T301: Where Can I Get New Apps?
I carry a Cruz Tablet (T301) with Android 2.2.1.  A long time ago, when my tablet used to work remotely fine, I remember having a place to where I could obtain apps, just as long as I had internet.  After my factory reset, I haven't been able to find any apps on my tablet where I can download a market for apps.  Adding onto the fact I keep getting kicked off the internet, there is very little I know that I can do.  Does anyone have any suggestions for application markets, if and when my internet is restored to normal?

To close-voters: OP is not asking for an app, so it doesn't fall into that category. If you really want to "vote it closed", please consider "duplicate of What are the alternative Android app markets?" instead :)

You might wish to take a look at my list of App Markets: There's e.g. the free and open F-Droid with its own market app, and there's Aptoide, also with its own market app. And of course there's Amazon, and there are plenty more.
Of additional interest for you:

Android Markets: How safe are alternative sources?
How safe is it to use Aptoide?
our alternative-markets tag-wiki
What are the alternative Android app markets?

When you flash with a new ROM as I posted here, you should have access to the Google play store for apps.

I cannot get Google Play because it is not under the list of supported devices.

This does not matter. Support for the Play Store is built into the new ROM. Your device will actually be better than original - one of the benefits of using a custom ROM>


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Is it possible to downgrade firmware via ADB sideload?
I have an Asus zenfone 2. I want to downgrade it from firmware 2.19 to 2.18. They both are built on Android 5.0

Why do you want to do that?

@firelord I have done many changes in my phone after rooting and  xposed framework. I'm facing some issues. So i want to do a clean rom installation. Since latest firmware zip is not yet available on Asus website, so i was thinking if can sideload previous firmware and then take the OTA

You can theoretically do it as long as you can boot into Recovery mode, and have the correct zip. Take Backup before proceeding. But because the device is rooted, I assume a custom Recovery would be installed (do it if there isn't any), then why not use the standard way of flashing using Recovery's GUI rather than going for ADB sideload?


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Samsung S4 Screen Problem
I dropped my phone face down not to hard on the floor, the battery came out and when I put the battery back in, the screen was showing then turned into certain blocks of the screen showing then only to the top part of the screen showing. I have tried restarting, putting battery out then in. Any suggestions?

My guess is that the underlying hardware that makes the screen run is damaged. In a touchscreen, or all monitors in general, a complex series of wires sends electrical impulses to the individual led diodes (a set of Red, Green, Blue is called a pixel). If one of the main wires became damaged or loosened, it will seriously mess up the screen's viewing output.
Judging by the color difference in your photo, the only part receiving signals from the graphics unit is above a defined line (is that a crack? If so, that is most likely where a breaking event could have occurred).
Since it fell down hard enough to eject the battery, the internal components most likely suffered some damage. If you have a service provider, they might be able to look at your phone in more detail and tell you exactly where the issue is and how (if possible) to fix it.
Best of luck!


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Will offline videos will be downloaded on all registered devices with same email
Actually I have two android devices registered with same google account I added a video to offline in one device will it be downloaded in other device also automatically

Have you tried it? I guess it's faster to try and get the answer than waiting for the answer, since not all countries are eligible for YouTube offline video support... though my guess is "no".

The simple Answer is NO.
When you download those videos, they are saved in Internal storage of your Android device. The possible location is something similar to below:

Internal
  storage/Android/data/com.google.android.youtube/files/Offline/(system
  generated folder name)/streams

Hence, these downloaded files which are in .exo file format are "local" to your device.
Secondly, YouTube controls access to the offline file.
The permission is controlled on their server per account basis, to access those downloaded files.
YouTube's Offline function just saves a copy of a video to your device. This is then not your file and is independent from changes on the original file.
If you delete your on-device data, the original video is not deleted; just your copy.
So, just using same sign-in Google Account don't give you access to local files saved in different devices.


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Factory reset Sony Xperia J with forgotten pattern code
My friend asked me if it's still possible to factory reset his Sony Xperia J phone in any way when the pattern code was entered 20 times and it locked itself. The only way to do it right now is to enter the answer to the question, but he doesn't even remember it. The second one's validating through a Google account, but he doesn't remember his credentials.
I tried the volume up/down/both + power button, didn't seem to work, the menu won't show up. I tried flashing it, but it's locked and when I tried to unlock it, writing the code in the emergency dialer didn't do anything too. Additionally, other codes didn't look like working too. No menus showed up.
Is it possible to factory reset this phone? I don't care about data loss, I've already taken both SIM and SD cards out where all the information was.

need to ask the obvious question... have you tried booting into recovery? Power off your device.
Boot in recovery mode by pressing and holding Volume Up and Power Button at the same time.

You can do this:

Download an app called "PC Companion" (Link)
Install and run it.
Select the option "Support Zone New!" then click "Start"
Wait for the program to install an add-on
Select "Phone / Tablet Software Update" and click "Start"
Select "Repair my phone / tablet"
Follow the Instruction
Chose your phone model
Connect your phone to your PC and wait.

DONE!

You can reset the phone without needing your PC or any other software:

Turn the phone off
Long press Power up and Volume up keys for a couple of seconds. It should start booting.
When booted you should see a menu, use the volume keys to navigate to Restore factory settings.
Use the Power button to select.
When it asks you to confirm navigate to yes and press the power button again.
The phone should reboot and start formatting.

Use fastboot to wipe user data.
Here's how :

Enter into fastboot mode by:

first power off your phone.
Press volume down key and while pressing it connect your phone to pc. The blue light will turn on.

Now try these commands( I assume you have fastboot files ) :
fastboot wipe userdata
fastboot erase userdata  # alternative

It should probably work.
If it stays on waiting for device, you're probably missing the drivers.

Firstly, Sony Xperia J doesn't have stock recovery. You need to flash a new one. Try TWRP or CWM from the XDA Developers site.
If the phone's rooted, you can try ADB. But for ADB, you should need the ADB debugging option enabled on the phone.
Write those commands in the ADB shell of your PC.
adb devices
adb shell
cd data/system
su
rm *.key

OR
On TWRP, mount the system, use file manager, navigate to /data/system,
remove all files ending with .key.
Done. You got your phone unlocked.


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BOOTLOADER - USB Device Not Recognized
I am currently using a ROOTED "Huawei MediaPad 7 Lite" tablet and am having issues entering the bootloader. When powered on and connected to a PC, the device is seen in adb using the command adb devices (driver is working). However, when I try to enter the bootloader, adb reboot bootloader, the device malfunctions in windows:

The same occurs when the tablet is powered off, and the power and volume up keys are held down (entering bootloader manually). In 'Device Manager', there are NO 'Unknown Devices' missing drivers. Instead, there is an issue with the USB controller:

Due to this malfunction, I cannot install a driver for the tablet when in bootloader mode. To clarify, the tablet works OK when powered on and connected to a PC, but malfunctions when in bootloader mode. I have tried this on 3 different computers with 4 different MicroUSB cables with no success.
I also have a second identical MediaPad 7 Lite, and in trying the above steps also has the same problems. It seems Huawei have done this as a preventative measure (meaning it is a device specific issue), but does anyone know how to make the PC recognise this device properly when in bootloader?
EDIT: The bootloader screen is unusual. Without the cable connected, when the bootloader is entered (by pressing power with volume up & down), the following options exist:

continuing to hold volume up brings up a screen which is used to update the tablet software from a file on the external MicroSD card
continuing to hold volume down initiates an automatic recovery process
releasing all buttons reboots the tablet automatically after a few seconds

With all of the above options, I tried plugging the tablet into my PC. However, Windows does not recognize the tablet at all (nothing pops up).

Try manually booting into the bootloader on the device and then plugging it in to the PC. How you manually boot into the bootloader will vary between devices and as I don't own a Huawei MediaPad 7 I don't know how you do it on this device. Generally, try turning off the device and then holding the power and volume down buttons down.

I also tried this as well @ljd200. As soon as the device vibrates and the screen turns on, I plug the cable into my PC. However, it is not detected at all by Windows (no device connect sound or nothing in device manager). The bootloader screen appears and the device then reboots.

Hmmm... I would try a different PC if you have access to one.

Like I said in the OP, I have tried this on 3 separate computers. It is a device problem...

Oops! Sorry, I didn't see that. A final suggestion would be to try a different OS such as a Linux distro to see if it is a Windows thing or not. If that doesn't work, I'm afraid I don't know what will. Sorry I couldn't help more.

Does anyone have any other ideas that could help?

is the problem already solved?

As the device has failed to be recognised correctly (failed) I would suggest uninstalling the device from windows or updating the driver, however looking up device id in this forum,suggests various other options could fix the problem.


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What does it mean if I can't find a kernel date?
I want to root my ZTE Grand X Max and it asks if the kernel date is before or after a specific date but when I go and look is has no date by the kernel version (3.4.0). What does that mean? Or do I need to look somewhere else?

On Android the Kernel Version is displayed within "Settings | Device". In the details you should also find the date of the build.


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How to disable device encryption?
I am using Samsung Galaxy A7. Today I encrypted my device and secured it with a password lock. Now I need to permanently decrypt the device but I cant. When I go to settings and try encrypt option there is no option to deactivate it.

The only way to remove encryption on a previously encrypted Android device is to perform a full factory reset. This means wiping out everything, including contents of the /sdcard partition and losing all your media, so make sure to perform a back up first.
Keep in mind that some Android 5.1 devices enforce full device encryption by default.  On these devices even factory reset will not remove encryption, as the device will re-encrypt itself upon first boot-up.  The only way to override this is with a custom kernel.

It must be possible with the password. But may be the software to do it is not available.

but if you can't disable encryption then you have to enter a PIN at startup which is unacceptable because I need my device to perform unattended logging and sometimes Android unexpectedly reboots...

I did find this: http://forum.xda-developers.com/showpost.php?p=25635462&postcount=54. I'm not sure if it will work anymore though, since it's so old.


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Does the Samsung wireless charger for the S6 have built-in surge protection?
I waz speaking to Samsung rep and she says the S6 is safe to charge even with electricity fluctuations with the OEM wireless charger. Is there any fact to this? So is the wireless charger safer for the phone than using a wall charger with no external surge protection?

Posting as a comment since I'm not 100% sure and have no source to back it up, but I'm pretty skeptical of claims that your phone's charger actually has built-in surge protection. You should ask your rep how many joules it is rated for. If they can't answer, then it's probably not actually giving any protection.

@dotVezz So there is no other new tech in existence that could be protecting the phone either right?


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Andriod Engineering Mode 1
I rooted my Samsung Galaxy Grand 2 (SM-G7102) and it was successful. But ever since then the Engineering mode has been missing on my Android phone. I have tried the factory reset and yet the same result. I can't update my Android software, how do I solve this problem?

What do you mean by "missing"?  What exactly happens when you try to reboot into recovery mode?

@Izzy Not sure but I think OP meant "Engineer mode". In my Mediatek device I can access two kind of Engineer mode, 1) *#*#4636#*#* (available for most of the phones, name -> "Testing", activity-> com.android.settings/.TestingSettings);  2) name-> "EngineerMode", activity-> com.mediatek.engineermode/.EngineerMode, available for Mediatek devices usually. // Let's see which one is the case for OP. Could be a third case too. :) And based on the tag, may be OP is running stock 4.3 JB.

Good points, @Firelord – I have no MTK device, but now that you've mention it I rawly remember having read that before. And you're most likely correct with the tag :) So let's wait for the OP to clarify.

When I reboot in recovery my phone would turn off and won't on for 1hr and my play store is not working anymore .

@firelord I'm not sure I have two engineering modes and I tried different test mode and MTK app as well.

Enable USB debugging, setup [tag:adb] in PC, and enter this command: am start -n com.android.settings/.TestingSettings and tell us the result. Similarly, try am start -n com.mediatek.engineermode/.EngineerMode, but I haven't checked whether your device is an MTK device or not.

How do I install adb on my windows 8.1

@firelord how do i install adb on my windows 8.1

I don't have Windows 8 installed, so can't be of much help. Have you looked at Is there a minimal installation of ADB?

@firelord no I don't think so


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Recycle Bin for Lollipop?
I have an Samsung S5 running Lollipop v5.  Does Lollipop have a concept of a "Recycling Bin" where deleted files go?  Or is a file/picture really deleted when I delete it?

The whole Android lineup (and Linux as well) does not feature a Recycling Bin concept. Developers are free to add this feature but as long as it's not mandatory in AOSP (Android Open Source Project), developers are not forced to add such a feature. Depending on the app you use, you may be able to hit a small undo button after you have deleted a file, memo etc. but this is application design only  and many apps do not feature this as well.

I was just deleting files using the "My Files" application that came with the S5.  And deleting pictures out of the "Gallery".  I then found out that I didn't back them up.  So I was wondering if there was any where else to "recover" them.

Windows OS has the recycle bin concept embedded in Windows Explorer and is not global in Windows OS too. Same goes for some GNU/Linux. In Android, as GiantTree said, it all comes down to the developer of the app. Some File Manger features Recycle Bin while others do not. As for you data-recovery case, have a look at questions tagged as [tag:data-recovery]. You probably would get the answer.

And your question seems to me as an XY problem. Consider an overhaul ([edit]) of it.

I would disagree that it's an XY problem since I don't have a solution.  I was just curious if there was a "reycling bin" feature in the default file explorer app "My Files" that came with the phone.  But thanks for your suggestion.

authors: عبدالله الودعاني