text:
Clearing logcat on HTC one X
I've faced with insufficient storage problem on my HTC One X (rooted, stock ROM 4.2.2, CWM recovery).
I've solve this problem before on a Samsung device by dialing *#9900# then press Delete dumpstate/logcat. However, I try that with HTC and it doesn't work. Anyone know how can I delete logcat or other method to fix this problem?
Updated : FYI, I have plenty of storage in  phone storage as well as in SDcard. I also try installing other app which seems to installed without problem. The app I'm having problem is Gallery Vault. Earlier, the app is installed and I uninstall it. Now I'm trying to reinstall it and I get insufficient storage error.
Thanks

Clearing logcat can't make any difference to your storage problem. The logcat output is stored in a ring buffer, so it has a fixed size, and the ring buffer only exists on RAM: it isn't written to the storage at all.
See the frequent questions under the insufficient-memory tag for what to do when your phone storage is getting full.

I'm no Android guru, bur clearing the logcat/dumpstat on a Samsung Galaxy S2 solved exactly the same problem: apps could not be installed due to "no space" errors (even if gigabytes were free). After clearing it via the *#9900# menu, the problems were gone (also more than a gigabyte of storage was freed up).
PS: Is there a general "How to clear logcat/dumpstate?" question? Hopefully with an answer?

I try deleting all file associate with the app (apk, settings, etc) I can now install the app. Seems like residue files are the culprit.


text:
YouTube "Connection to server lost" on WiFi and 3G, stock 4.3
I see the issue talked about online but none of the fixes work. I haven't been able to view for over a week. Does anyone have any other ideas? It also appears that some otherer html5 based videos aren't working but I can't think how to fix that.
Attempts:

Phone off and on
Clear YouTube cache
Uninstall YouTube
Check that my WiFi settings are suitable (no proxy)

Details:

Stock Nexus 4, android 4.3
Latest YouTube app
No adblocker
No root

Are you using Adblock Plus?

no, I haven't got adblock installed

Have you tried uninstalling YouTube, and re-installing it?

Are you using a Firewall?

Yes, reinstalled it and no, no firewall...

I think I found a solution to the problem "Connection to server lost, touch to retry" on Wifi. In fact I used to encounter this problem on my Samsung Galaxy S2  device. The solution is as follows:

First make sure you have a Google account which you use to download applications from Google Play Store.
Open the YouTube application on your device.
At the top left hand corner of your screen, you would find the YouTube icon with 3 short lines to its left.
click on it (touch it) and there is a pop up menu which appears
If you have not yet signed into YouTube with the gmail account, the

You seem to be missing the end of your post.

Uninstall all of the updates to YouTube and it will fix the issue.

source: Stack Exchange

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

sort: votes


text:
Is it a good idea/useful to use two Anti-virus apps on Android?
Is it a waste to load two anti-virus apps on your mobile? Are two AV apps more effective than one?

Put it into another perspective - running two AV's or more on Windows is counter-productive as clashes are going to occur, one flagging up malware on the other AV during scan etc in a Windows environment. Meanwhile, on Android, not alone that, AV are a con job, they really do not do anything except hog up resources regardless, and chew up battery juice! Its down to common sense, read the permissions, download from playstore only and not going to some dicey website based in China etc, you get the drift.

A known issue with running 2 AVs is that they'll consider each other as a potential virus.
This has to do with the behaviour of these programs. They scan directories, perform root-operations (if you have installed the AV on a rooted device), and so on.
This is true on any system, not only mobile devices.
You can in most cases run an AV together with an anti-malware product.
I do say in most cases.
As mentioned by Karan, there is no real need for AV software as long as you only run Google Play / Appstore apps and you don't download any rubbish from sites you visit.
Do keep in mind that there are some dangerous apps on Google Play. I'm an Android user myself, definitly no iFanboy, and I must admit not all Play apps are safe.
So always check the permissions and intentions of an app before installing it.
I myself have Avast! Mobile Security on my tablet.
This is because I run some off-the-market apps. MS also allows me to protect some apps with a pincode, such as my email apps.
I don't think running an AV is a waste of resources, but if you handle your device with care, there is no real need for one.

Advise @ Ground Zero was super helpful! Thanks!

No. I'll even go to the extent of saying using an Antivirus is of no use if you only install apps from Google Play.
But if you install apps from third party sources (i.e APKs, etc.), using an antivirus might actually make sense. But using 2 AVs doesn't make sense in any scenario imho.

I wouldn't say that installing apps from Play only guarantees a lack of malware (always check app permissions, at the very least!), but overall I'd agree with Karan that for the average user AV is totally unnecessary, and that having two different AV products on the same device is extremely undesirable regardless of OS as they will work at cross purposes and hugely slow down a device.

@user66264 using two antivirus in any complex machine (PC, smartphone, etc.) is a waste of resources and normally leads to conflicts. Just use the one you trust the more and stick with it.

If you do install third-party APKs, wouldn't it just suffice to upload them to virustotal.com before installing them, rather than running possibly-invasive, battery-draining, etc. AV software in the background on your own device?

No, just uploading them to virustotal.com would not be sufficient.  Virus scanners can only check for known viruses, and new variants crop up all the time - hence all the updates AV software does.  So a one time check on a sideloaded app will only tell you that, as of that date, there are no known viruses associated with that app.

^ do you really feel it's feasible to upload every APK file to an online scanner before installing? Sadly I don't and I feel many others will also agree with me on this.

If you don't use much of sharing stuffs from unreliable/unknown sources and you do not visit unknown sites.
Answer is NO, you don't need a AV.
Its a waste of resources.

Q. Is it a waste to load two anti-virus apps on your mobile? Are two AV apps more effective than one?

YES it is a waste. NO two apps are not effective.
Reason is each AV has it its own heuristic engines to scan viruses, which generally detects another AV as a virus.

AV app really has access to binary of downloaded apk?

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


text:
Possible to restore calendar file from unit after update to 4.4.2?
Is it possible to restore the calendar file from the unit's storage after update to 4.4.2?
The file was in Android/data/com.android.calendar. And no, I had no backup of the file...  :-(
I've rooted the the phone (Samsung Galaxy S4) and tried numerous ways of recovering without any success. Please help me!!

Did you have (or do) a Google sync for Calendar via System > Accounts?

Nope, but I wish I had.  :-/

How did you update, though? OTA or Kies? Or did you flash a custom ROM, which may have wiped your data?

Just a plain OTA.

Also, I just noticed that the contacts stored on the unit are gone too. The 4.4.2 update seems to be a killer.

What version did you come from? 4.3? I had no idea OTA could clear data. Usually, I just flash stock/custom ROMs manually. [Sorry, I can't help you] So, Karan is right. You won't be able to restore it. Make sure to start using Google sync from now on. :)

Yepp, I came from 4.3. Guess if I have learnt a lesson...
I usuallay back stuff up, but I didn't expect OTA to mess with the stored files.

It should have not deleted your data though. http://www.androidpolice.com/2013/11/21/the-nexus-4-finally-gets-4-4-heres-how-you-can-flash-the-kitkat-krt16s-ota-manually-root-or-unlock-not-required/

If you didn't sync your Calendar with Google, I'm afraid you won't be able to restore it.


text:
Amazon links in Amazon app
Is it possible to configure Amazon app so that all the amazon.co.uk links open in the App (or at least ask if I prefer the browser or the app)?

It's up to the app to register an intent filter for URLs it can understand. When the app does this, and you click an appropriate link, the chooser asks you which you want to open.
If you've previously had a chooser for Amazon links, and accidentally selected to always use a web browser, you can undo this by going into the device Settings, then Apps. Select the browser from the list, and then click Clear defaults.
If you've never had a chooser for Amazon links, then the app can't respond to them. It's possible to use a third-party app to act as an intermediary, so that you open the Amazon links in that app, and it forwards them to the Amazon app, but if the Amazon app doesn't understand the URL you're using, the results are unpredictable: it might crash, or simply open to the main screen. You'll have to contact the developer through their official support channels to ask them to add this feature.

I am not sure if I ever had the choice. Is there a way to check it without removing all the other settings?

Not easily. An "package explorer" app such as Stanley can export an app's manifest so you can find all of its intent filters, but you need to understand the format to interpret it.

There is no way to force open URLs through an app if it doesn't show up in the popup menu to choose an app. AFAIK there is a filter in applications called the intent filter that is hard coded into the applications code by the developer. The filter is triggered when certain URLs are pressed.
If Amazon hasn't done this you cannot get it to open amazon.co.uk URLs without manually  adding it to the apps code.


text:
Can Nokia X,X+,XL run android apks?
Can Nokia's new android phones run android apks just like in other androids via package installer? I heard there is no google play store, can I use a google play apk or flash gapps that brings one more question is their bootloader unlocked and rootable?

You can side-load any Android app provided you have the APK.
However, by default these phones do not come pre-installed with Google's core applications like the Play Store. But you can "hack" the devices and install Google Apps. Needless to say it will void warranty and root access is required.
There is this guide in XDA Forums that should help people install Google Services on their Nokia X device.

Are you sure it can't run Android apps? PhoneArena has a quote from a Nokia exec saying "You can sideload any APK file onto the device." http://www.phonearena.com/news/Dont-worry-you-can-sideload-any-APK-on-Nokia-X_id53021

Edited to specify that Google's services are the ones not included.


text:
Recovering internal memory on SGS2 (CWM, not root, boot to recovery only)
I have a Samsung Galaxy S2 (i9100), which stopped booting into the normal OS. I have no idea why - one morning it turned itself off, and when I started it, it went as far as the "Samsung" screen, and just hangs.
I have pictures on the "internal" SD card (flash memory), which I would like to recover.
I can boot into recovery, and have installed the latest version of CWM touch, which allows me to mount both the internal and external sdcard. I can do a "browse for update" on both internal and external sdcard, and all the files I want are there. However, even when internal sdcard is mounted, I cannot access it with adb, presumably because I don't have root.
Just to see what I can do without root, I used CWM allowed me to backup the system, but because the backup is written to the internal card, I cannot check whether it's worked. However, it is taking about 1.5GB of space on the internal card, so I assume it must have backed up something.
Any ideas? Could I write a script that would copy the contents of the internal sd card to the external sd card, without root?
If I rooted the phone, would I loose the content on the internal sd card? (I have looked into rooting, but only with heimdall so far, and I could not get it to recognise the phone on linux or OS X.)
Any thoughts and suggestions will be much appreciated!
Thanks!

You should be able to access the directory where your backups have been placed by CWM, and copy those few files to your external SDCard. For details on the backup format, please refer to our nandroid tag-wiki. There are possibilities to look into those backups from your PC, or do a partially restore (the latter on rooted devices only).

Hello Izzy, thank you. The problem is also that the version CWM confuses the internal and external card. For instance, the nandroid backup of the system is written to the internal sd card (and thus the other content on the internal sd card is not backed up). The problem would be solved if I could get nandroid to back up onto the external sd card... (assuming that nandroid would back up the internal sd card as well).

Can't you access the internal card at all? Root or not, as long as you're not speaking about device-memory, you should be able to access that via ADB. But not having an S2 to test, I'm afraid I cannot be of further assistance here.

Hello again. Basically it appears that CWM 5.8.1.5 mounts the sd card to /sdcard with root permissions. Within CWM I can see the sd card contents, but in "adb shell" or with "adb pull" I cannot access it, because the ownership is root.

As long as you can access any storage via ADB, you should be able to cp -r /sdcard/<cwm-backup-dir> <accessible-path-for-adb>, and then grab it from there. If it's to big, you could do it in chunks.

So it seems that somehow CWM 5.8.1.5 didn't mount the storage correctly. CWM could see the storage, but mounted as root, so adb couldn't get to it. With CWM 6.0.4.5 the signature had verification failed, but there's an option to ignore that, and it seems to run fine so far, and the storage is mounted correctly. I can now pull with adb! Thanks for your input though - really appreciate it!

Glad you were able to solve your issue! May I ask you to make that an answer? Might prove helpful to future visitors, who would most likely miss it in the comments. Thanks!

I initially installed CWM v5 (as zip from CWM site), but that appears mount the internal sd card memory with root permissions only. I finally tried CWM 6.0.4.5 (again as zip, not from cwm site). The zip failed verification, so I couldn't install it. However, in v5, there's an option to ignore that, so I was able to run v6. It seems to run fine so far, and the storage is mounted correctly, and I can now pull with adb!
So - solution:
- Boot into stock recovery
- Install CWM v5 (from cwm site) from sd card (as zip)
- Use that to install CWM v6 from sd card (as zip)
- Then use adb to pull /storage/sdcard0. (adb will not preserve time stamps, but you can do a "ls -laRe" if you want particular file stamps
So in this way I was able to retrieve the contents of the internal sd card. Full details
http://www.sciencemedianetwork.org/Blog/20140304_Samsung_Galaxy_S2_data_recovery
However, after factory reset, the phone still doesn't boot. Follow up question here:
Complete reset of SGS2 (factory reset not sufficient)

Finally resolved that too, see here http://www.sciencemedianetwork.org/Blog/20140306_Flashing_Samsung_Galaxy_S2_i9100_with_Heimdall_1.3.2_in_OS_X_10.7.5

Get Odin. download and flash the stock rom. everything will remain intact and your phone will boot up again normally. you can get links for stock roms at sammobile.com or XDA developers


text:
How to Re install Android 4.2.2 on Samsung galaxy grand
I am using Samsung Galaxy Grand GT-I9082 from past one year. I got lot of software updates and did all of them, including the 4.2.2 JellyBean FirmWare Update.
Recently I got one stability update, after which my mobile lost it's stability. Now I want to revert back to Jelly Bean prior to that update, by re-installing 4.2.2 JellyBean FirmWare. I have read few blogs about the procedure with Odin but I am confused whether that procedure only works when my mobile is loaded with 4.1.2, or with any version? Currently I am using 4.2.2 Jelly Bean.
I have tried hard reseting the device and wiping the cache partition; but still the device is slow, constantly hanging sometimes, and I am missing important calls also.

I Have Replaced ROM in my mobile using Odin and downloaded official Jelly Bean Firmware from  here and installed by following instructions
i was able to succesfully flash the Jelly Bean Released on nov 11 2013 and after flashing i did following

Wiped User Data (Factory RESET)
Wiped Cache Partition

Now it's working like charm


text:
download several files to tablet from drive
I would like to download approx. 100 pictures from google-drive to my tablet.
I found only one way, only one picture by one.
Is there a way to "download all"?

From this page you can zip and download all Drive files

Google drive has the ability to download a bunch of files and folders in a zip file.
To do so , just select the files and folders and select More > Download > Download from Google Drive
The files will be zipped and it will take some time for the process depending upon the size of the files and folders. You can either wait with that window open by looking into the estimated time or you can click 'Email when ready' which will send you a email with link to zip file onces its done.

Note the max zip size is 2Gb.
An alternative would be to do the following:
Sync the files to your computer using the google drive client app:

Install the google drive app on your computer
On drive.google.com, drag the folder shared with you from "Shared with me" to "My Drive"
Now all the files should automagically appear on the "Google drive" folder on your computer

As I understand, you describe actions taken on PC.

@user55150 Is there no option in the app, the first way was SUPPOSED to be the app, and the other for your PC if it is quicker. Ok, I've added a third option, from the Play store, hopefully ONE of these will work!

My question belongs to working with a tablet. On the tablet I open the Google Drive app, see my files and cannot find the option as "mark all" or "download all". Thanks for help.

@user55150 try the app I linked to. I know it is with the tablet, but if there is NO option (and the app doesn't work) then you may HAVE to do it on a PC or one by one. I'm trying to find a way to get your files over for you, unfortunately Drive doens't make it easy (one of MANY reasons I would never, ever use Google Drive tbh). Try the app and let me know. Fingers crossed!!

authors: Роман Гостюшкин

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


text:
System crash log in Android 4.3 ( cm 10.2 )
My rooted HTC Sensation with android 4.3 has started crashing recently. Is there any crash log where I could find out where is the problem? I'm using not-so-recent nightly version of cyanogen mod 10.2. Anyone knows?

At which point does it crash? If you can get it to completely boot, enable USB Debugging in Developer Settings, and try to run adb logcat in terminal (or adb shell on your PC.)

OP: Do you know how to enable Developer Settings? Go into Settings > About Phone, tap on the Build Number seven times, then proceed with @chahk 's comment above.

It boots fine, sometimes it even works for like day or two and then it crashes. I couldn't find any trigger event (which makes me think it is something with system, not with particular app).


text:
Samsung X-Cover USB Debugging not turning on
I just tried to root a friend's Samsung XCover, first connected it to the PC, windows recognized it and installed some drivers, then I turned on USB Debug and there was no indication it wasn't turning it on, neither the phone showed, nor the PC tried to install some drivers, BUT it was still connected as a media device.... What could be wrong?

You forgot to disconnect and re-connect the device? Correct order: 1) disconnect the cable, 2) enable USB-Debugging, 3) re-connect.

Do you have the latest drivers of the device installed on your PC?

I reconected it several times, still no indication that the USB debug was turned on...


text:
How does Samsung S-View Flip Cover work?
How does the S-View Flip Cover work? I know some apps that use the proximity sensor to check this and turn on and turn off the screen.
S-View Flip Cover does not require any softwares, so how does it communicate with the device?

It's simple. There are hidden magnets in the front part of the flip cover. These magnets tell the device that S-View Flip Cover is attached.
The glass window that is on the cover is conductive, through which you can operate only that much part of the screen leaving the rest of the screen non operable to avoid accidental touch.
The idea behind is just like the Apple smart cover. What makes the S-View Flip Cover different is the conductive window functionality to accept or reject calls etc.

okay.So does this affect the compass adversely like some flipcovers with magentic flaps do? I want to get a new Fcover,what i have is one with magnet,the compass seems to go crazy when opening and closing the cover.

Yes it unfortunately does due to the magnetic elements.

I think that there is another element to this - but I have not determined what it is - There is one magnet in the front of the flip cover lets the device know that the cover is open or shut - but it will not work unless the case back is attached to the phone - and there are some contacts in the back cover of the flip case that connect to the phone - I cannot find any magnets in the case back, so I presume that the connections in the case back let the phone know that there is a flip cover installed.
I am working on figuring the rest of this out because I would like to use a different case (not the flip) and have a magnet in my holster to unlock the phone when I take it out of the holster.

Magnetic flip covers use hall effect sensor to switch screen on n off, for example you can cover ur screen with a magnet n the screen goes blank, so does the hall effect sensor

This does not provide any new information from the top-voted answer.


text:
How do I move or copy files from /storage/emulated/0?
/storage/emulated/0 is read only and when I try to copy (also when I try to move) files from it to my real SD card,  I get a 'read-only' error. I have a Samsung Galaxy Mega with Jelly Bean 4.2.2 and I get this failure with four different file management apps,  and also when trying to add the files into a Zip archive.

Well, after much testing, found the destination MicroSD card had file structure corruption, causing the problem. It was resolved by mounting the MicroSD card on a PC, copying all the good files to a desktop folder, running gparted to unmount and reformat the MicroSD card, and copy the files back once the formatting completed.
Rooting was not required to access /storage/emulated/0 .


text:
galaxy s2 charging cable doesn't fit galaxy tab 3
They both have micro usb ports but i thought I could use my current galaxy s2 cables with the tablet and they don't fit.  Are there different sizes and how can you tell when getting a cable?
Thanks

Have you tried inserting the cable 'upside-down'. Some devices have the port the other way round. A screenshot of the cables/ports would help here.

Watch out for this, yes there are different sized cables they look the same but aren't. You will probably be able to squeeze it in and it will work but may break the connector after a while(this happened to my Galaxy Note 2). It may have something to do with different pins within the cable itself.
I found it very hard to tell the difference but try to just use the one that came with the device. If not just use a different cable but from a newer product as there are definitely different pins within the cable. Best thing to do is if a cable doesn't fit in easily don't put it in.

It should easily go in. The ports on the two devices are the same and with same orientation of the port as well. Maybe there is something stuck inside the port on your Galaxy Tab 3. You can usually tell by the shape of the male port. The two slanted ridges on the size are an identifying feature of Micro USB A/B. B also has two little latches on the bottom. Micro USB standards A and B are compliant with each other as well but these two devices should have the exact same Micro USB B Port.


text:
MOGA Pro Power gamepad not detected in Chrome
I've connected a MOGA Pro Power gamepad to my Nexus 5 phone, in mode B (HID). It works well in Gamepad Tester, but doesn't do anything in the Chrome browser (as tested via html5gamepad.com).
Is the Gamepad HTML5 API supported on Android? If so, any idea why it doesn't work with my controller?

According to HTML5test, Chrome for Android (as of v33) does not support controller input APIs. You'd likely have to wait for this to be implemented in some future version, or try to find a browser that does support it.


text:
Network SIM unlock code not working
I paid to get an unlock code for my Samsung Galaxy S4 Active SGH-I537 locked to AT&T. I have tried to enter the unlock code given when the phone boots with my other carrier SIM card inserted, but get "Network unlock unsuccessful" error message.
I wrote to the company and they responded with the following instructions:
(Samsung Galaxy S4 Only)
Follow these step carefully, as long as you have the correct code it will work 100% (Your phone must be updated to the latest firmware!)
1. Make sure that the phone PROMPTS for the code with a NON accepted sim card and that your IMEI is correct by dialing *#06#

a. Go to the Dial pad and dial *#0011#
b. Please click your MENU button (Bottom LEFT button) and click BACK on the menu that appears, Nothing will happen do not worry please move to the next step
c. Please click your MENU button AGAIN and this time click KEY INPUT
d. When the Key input box appears please input the number "1" and hit OK
e. You will see a number 1 for a while, please wait until it changes into the SERVICE MENU
f. Please click [1] UMTS > [1] DEBUGGING SCREEN > [6] Phone Control > [6] Network LOCK
g. You will see 3 OPTIONS within Network LOCK
h. Please click on number [1] Perso Sha256 INFO, the screen will change slightly
i. Please hit the MENU button then when the menu pops up please carefully hit BACK to return to the previous screen
j. Next Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message
NOTE: If you see ENABLE_FLAG[1], refer to the notes below. If you see ENABLE_FLAG[0], proceed with step k.
k. Restart the phone on the screen by holding the power button and click RESTART
l. When the phone prompts for the unlock code simply enter the unlock code provided to you
m. Your phone is now permanently unlocked!
*If this is not working, go to Solution #2
*NOTE - If it shows ENABLE_FLAG[1]:
Press menu, select back to go back to the Network Lock menu.
Select [3] Perso Sha256 OFF, then select the first item after.
It will say "Menu not exist".
Press menu, select back, press menu, select back to go back to the network lock menu again.
Select [2] Perso Sha256 ON again, it should now show Enable_Flag[0]
You may continue to step k in the previous instructions.

I cannot get pass step e. The Service Menu is inaccessible.
I write to them again and they send me the NCK Network unlock code along with the MCK Defreeze code and the following new set of instructions:
Try Solution #2
Follow these step carefully, as long as you have the correct code it will work 100%
1. Power off and on your phone with different network sim card. "SIM network unlock PIN" or "Enter Network Lock Control Key" screen will appear.
2. Type your Unfreeze code (MCK code) and hit Unlock button. You will get "unsuccessful message" again but don't worry.
3. Now type the Unlock code (Network or NCK code) and hit Unlock button.
*If phone say "Network Lock Succesful" it worked, but if not, proceed to step 4.
4. If you get "unsuccessful" again then hit Dismiss button and type *2767*3855# on phone keypad. (CAUTION! This will reformat all your data!)
5. After phone restarts, type the Unfreeze code (MCK code) when prompted to enter "SIM network unlock PIN" or "Enter Network Lock Control Key" screen and hit unlock button.
It will say "unsuccessful" again, don't worry!
6. Type the Unlock code (Network or NCK code) and hit Unlock button.
7. Your phone should now give you the message "Network Lock Successful"

I tried it, but couldn't get past step 4. After I enter the code *2767*3855# , it doesn't do anything.
Ok, so may third time is a charm? No.
Latest set of instructions:
1.  Make sure that the phone PROMPTS for the code with a NON accepted sim card and that your IMEI is correct by dialing *#06#
a. Go to the Dial pad and dial *#197328640#
b. Please click on number [1] UMTS > [1] Debugging screen > [8] Phone Control > [6] NETWORK LOCK
c. You will see 3 options
d. Please click on number [1] Perso Sha256 INFO, the screen will change slightly
e. Please hit the MENU button then when the menu pops up please carefully hit BACK to return to the previous screen
f. Next Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message
g. Restart the phone on the screen by holding the power button and click RESTART
h. When the phone prompts for the unlock code simply enter the unlock code provided to you
i. Your phone is now permanently unlocked!

This time when I enter the code I am presented withe following screen but the options don't match up. I can not get into the UMTS MAIN Menu.

I have been given the Network unlock code, defreeze, provider and sub provider keys and none seem to work.
I am on Android version 4.3 and have never rooted and don't want to just yet. At least until the warranty expires.
Kernel version: 3.4.02-2244695
se.infra@R0302-03 #1
Build numer: JSS15J.I537UCUBML2
SE for Android status:
Enforcing
SEPF_SAMSUNG-SGH-I537_4.3_0016
Would appreciate any help.


text:
Changed exchange password - When will it prompt the cellphone?
The company I work for is testing a department wide e-mail account (20 users that will share the same e-mail account on separate cellphones -- S2). The e-mail password will expire every 90 days and I'm trying to test what the prompt is like/how difficult it will be for users to edit the password.
I've tested this on my own e-mail account by changing my password to something else. I've checked my S2 and my S3 after changing my own exchange password and I'm still able to send and receive e-mails (45min later) without editing the password or being prompted.
I've tried rebooting the phone and still no prompt/issues sending or receiving e-mails. Any explanation/help would be appreciated so I can understand this before we are able to follow through.
Thanks for any help.

While I am not 100% sure, I do remember that this was a thing that would happen, either a function or "bug". The issue, if you want to call it that, lies within AD (active directory), or the authentication process of your account. Exchange server will get your credentials from AD, and AD might let you use your old password for a while after changing, before it finally will reject your old password.
Of course, this will likely boil down to what server systems are at play, but it is a known "bug" that we've experienced at work. It should however not be a security issue as long as the user is the only person who know the passwords.


text:
Connecting two android devices without a router
myself and a friend want to play a multiplayer game that only works on the local network, and in work, there is no open WiFi network that we can both connect. Is there anyway that we can link up both our phones with wifi to play the game, without an extra router?
Maybe if I open the portable hotspot, it would work?
Thanks

Portable hotspot should do it, through I haven't tried it for this specifically myself.

Hosting a Hotspot is your way to go!
You can download an app from the Play Store such as FoxFi, to setup a WiFi network using one of the devices, and use the other to connect.
If you need to know IP specifics, FoxFi will provide you with information on connected devices, and their address on the network.
Be careful when using this method though, as the person hosting the hotspot will accumulate all of the data usage from both devices.

This worked perfectly! I guess I should have tried that first before asking this question, but in my head, I didn't think it would work!
To overcome the data usage problem, I just turned off mobile data when the tether was active

Glad to help. And have fun.


text:
Wifi hotspot not working on my unofficial cyanogenmod 10 (Android 4.1.2)
On my unofficial cyanogenmod 10 custom ROM WiFi hotspot is not workingsl .Is there any other method or app to turn the WiFi hotspot on?I tried the foxfi app it didn't work.also there is no restriction that carrier applies on this.:-( :-(

What device are you using?

Its karbonn titanium s5 .local OEM in india

If the Wi-Fi Hotspot feature is broken in your custom ROM, then it doesn't matter what apps you install. They all rely on the OS to do their work. You need to build or find a ROM which supports this feature in order to use it.


text:
CWM bypass md5 checking
Is there a way to bypass the md5 checking before restore in CWM?
This is not an issue with an md5 mismatch (the solution to which can be easily found via google/search)
The idea is that I am performing many restores (currently tinkering with some of the inner workings) and am not too concerned that the recovery has been altered/corrupted since it's probably been not too long since I last reflashed) and checking the md5sum takes up a fair amount of overhead (2x the read operations).
It's not a huge deal but if anyone knows a solution please let me know!

No, the MD5 checksum is actually built into the CWM to verify the check on the backup nandroid image, its there for that reason.

I had this same issue and I found that Philz touch recovery is a fork of CWM but has the option to disable verification. I'm happy with it. :) May be you can find one for your device.

hmmm, if you can i would highly recommend just using TWRP it has alot more features and allow you to skip all the md5 stuff. plus it has a built in file manager for swapping out systemUI.apk ext.
AND it has a command mode to allow for more advanced scripting and modding.

Using an alternative isn't a bad thing but would you care to explain how the CWM backups can be ported to TWRP and restored from it. That would be both helpful and complete as an answer. (Avoid posting links only).

@Firelord hard but impossible as they use different encryption ext. Just restore your stuff in cwm. and then use TWRP from then on. And if you are pronoid just backup up with TWRP right after you restored form CWM therefor you know it 99.99% legit data. Then keep the cwm around just incase. You could always go back to using CWM , restore then come back to TWRP.


text:
Recover data on a bricked Nexus 5
I bought a Nexus 5 just a few weeks ago and it died miserably yesterday without any apparent reason at all. I've read quite a few threads around the net about this and I haven't been able to power on the phone with the method suggested.
What I'd like to do now is trying to recover as much data as possible and/or wipe the phone completely [without losing warranty]. Is there a way to do so considering that:

connecting the phone to the computer won't work
I can't power on the phone in any way
I can't reach the boot loader

What I've tried so far:

holding the power button down for 10+ seconds
holding the power and the volume (+ and -, either together or one by one) buttons for 10+ seconds
did the steps above when disconnected from a/c, when connected to a/c and when connected to usb.
phone recharged for a 10+ hours and did again all the steps above
tried at different time of day with different stars configuration, swearing and being nice, swearing and being nice at the same time too.
asked the help of all gods I'm aware of without any luck (does this suggest google is evil?)

Is there a reason you can't take it back to the shop? Or did you get it direct from Google?

Can you boot into recovery, and do a factory-reset from there? See Google Help for steps involved. This would wipe the phone, but not offer a backup (unless you have a custom recovery installed).

Do you have a wall A/C charger?  Leave the phone on the charger for a few hours, and then try powering it on with the charger still plugged in.  If it doesn't power on - nothing much you can do other than sending it in for in-warranty repair or replacement.

@MarkMayo I bought it from google. I can send it back but I'd like to recover some data that wasn't synced anywhere and also wipe my personal data.

@Izzy I cannot boot into recovery

@Chahk already tried but it didn't work

:( If it doesn't even power on, there's not much hope for data recovery. Send it in, and take it as a lesson to always take backups. (I learned that last year when 2 out of 4 disks in my RAID5 NAS died  simultaneously.)

it was a two weeks old phone with no much in it except all the progress I made with ankidroid studying kanji. that hurts. And it's also a little bit annoying I can't wipe my data before returning it back.

could you please mention what all steps have you already tried so far to get some useful suggestions?

@shub question updated with the informations you're looking for


text:
How can I mount an ext4-formatted SD card with correct permissions (with root)?
I see some mentions here of creating an ext4-formatted SD card, but no guide. This closely-related question suggests there is no way to do it, but my question differs in that my phone is specifically rooted.
I formatted my card as ext4 (GUID partition-table); my Cyanogenmod phone mounted it at /mnt/fuse/sdcard1. I followed instructions here to mount the card at /storage/sdcard1, by creating the following script at /data/local/userinit.sh
#!/system/bin/sh
REALMNT=/mnt/fuse/sdcard1_real
if ! [ -d "$REALMNT" ]; then
  mkdir "$REALMNT" || exit 1
fi
mount -t ext4 /dev/block/mmcblk1p1 "$REALMNT"
sdcard "$REALMNT" /storage/sdcard1 1023 1023 &

I restarted and attempting to copy a file (using ES File Explorer) and paste it into its parent directory, which failed:
/storage/sdcard1/foo/bar.mp3: open failed: EACCES (Permission denied).

I can actually play the file fine, so I can open it. FWIW, when I try copying from the original mount point (/mnt/fuse/sdcard1), I get a slightly different error:
Failed to copy the file bar.mp3

I'm using a Samsung Galaxy S3 with Cyanogenmod 10.2.0-i9300.
==EDIT==
su
ls -l /mnt/fuse
drwxrwxr-x media_rw media_rw   2014-03-04 22:08 sdcard1

That was all. There is no sdcard1_real in this directory, so I suppose the script is failing?
==EDIT2==
I tried modifying the script to troubleshoot. The script begins fine, but then fails on mkdir "$REALMNT" with the error /data/local/userinit.sh[6]: : not found.
==EDIT3==
I know that the script doesn't work, so fixing it might solve my question, but I thought the following was interesting. I formatted my SD card in my Linux computer, and transferred some files to it. Oddly enough, permission errors only occur in the subdirectories that I created. In the root of the partition (via /storage/sdcard1), I already have write permission.

As root, please execute ls -l /mnt/fuse/ and ls -l /mnt/fuse/sdcard1_real. Then [edit] your question to include the results. My guess is "wrong file permissions" – either for the mount, or for the foo/ directory on the card. Remember, ext4 supports full *nix file permissions, incl. user and groups.

You type su in terminal to get root.  You may need to confirm granting the permission on the phone, if you're doing it for the first time.

Either the script is failing, or it's not executed at all. You might wish to add some debug output, e.g. echo Script executed > /mnt/fuse/sdcard1/test.log, and check if it is running at all. If so, make the previous-to-last line mount -t ext4 /dev/block/mmcblk1p1 "$REALMNT" 2> /mnt/fuse/sdcard1/test.log and check the error message. Or execute the script manually to see: su /data/local/userinit.sh.

@Izzy touch shows that the script is running. I tried executing the script manually with su /data/local/userinit.sh, but this failed. I also tried su echo foo, and get a similar error: Unknown id: echo.

As for your EDIT3, see my first comment: *ext4 supports full nix file permissions, incl. user and groups. You've created those directories with a user that doesn't exist on your Android device, so they belong to "unknown user / unknown group". If you didn't grant write access to "world", only root could write there. You should make yourself familiar with those *nix basics when using such a file system on portable media ;) As for the script, I again suggest adding some more debug information, e.g. using echo to output each command before it's executed, and redirect error output with 2>>.

@Izzy If I understand correctly, the purpose of the script is to fix these permission inconsistencies? I did do more debugging, but perhaps EDIT2 wasn't clear enough. The script ran up to exit 1, then failed with the error stated.

Could it be the script runs too early, and /mnt/fuse is not there when you try to mkdir (try putting an ls /mnt before the mount command)? If so, a mkdir -p "$REALMNT" || exit 1 could work around that – but I'm not sure to the side-effects when the system tries to create /mnt/fuse later and it does already exist.

Related: How to bind mount a folder inside /sdcard with correct permissions?

@IrfanLatif I don't have a phone with an SD card anymore, but unlike your answer in the link, I don't remember any problems with "every app will create files with its own UID", as per my answer below. I can't really check this anymore unfortunately though. Anyway hopefully your link is useful to some here.

This was supposedly fixed several months ago, but people are still reporting problems. I can read items on the card, but do not have write permission. To fix it, I combined strategies from a few sources.

Partition card with MS-DOS partition table and ext4 filesystem. I used GParted on my (Linux) desktop computer.
Insert the card into your phone. (You will probably not have write access now.)
Open the terminal emulator, installed by default in Cyanogenmod.
Type in the following (I recommend WiFi Keyboard for large blocks of text). Give the emulator root privileges when it requests them.

The $ and # indicate prompts, so don't type them in.
$ su
# chown media_rw:media_rw /mnt/media_rw/sdcard1
# chmod g+w /mnt/media_rw/sdcard1

This changes the SD card's permissions. The owner and group change from system to media_rw, and it also gives the group write access.

need -R for recursif
chown -R media_rw:media_rw /mnt/media_rw/sdcard1

Not sure if it is any help, but possibly the issue is that that you are trying to mount in the wrong place ? This is my working script that works on an S3 mini with CM11:
#!/system/bin/sh
REALMNT=/mnt/media_rw/sdcard1
if ! [ -d "$REALMNT" ]; then
mkdir "$REALMNT" || exit 1
fi
mount -t ext4 -o rw,noatime /dev/block/mmcblk1p1 "$REALMNT"
sdcard "$REALMNT" /storage/sdcard1 1023 1023

The REALMNT location already existed, so of course the mkdir was never called.
And media_rw/sdcard1 is already owned by media_rw
I also had to update /etc/permissions/platform.xml to include:
<group id="media_rw"/>
in:
<permission name="android.permission.WRITE_EXTERNAL_STORAGE">

Thanks. I'd somewhat given up on this, since I also had high battery usage with my script. Since it's fixed in trunk, I won't bother with a workaround any more. Thanks though, and +1.

@Sparhawk: Not sure which CYM version you use, but my SD card is not mounted automatically.

@LuisA.Florit I'm not sure if you meant to reply to this answer. Anyway, I'm using 11-20140804-SNAPSHOT-M9-i9300. I've posted more info in another answer.

@Sparhawk: My card is not even mounted, and the mount procedure in Settings fails. Maybe the problme is related my question here (su fails to mount): http://android.stackexchange.com/questions/82089/difference-between-su-vs-root-ssh-login-for-mounting` I use cm-11-20140804-SNAPSHOT-M9-mondrianwifi.zip .

@LuisA.Florit Not really sure. Perhaps ask a new question?

@Sparhawk: I've asked several questions about CYM, and got not a single answer. Without even using CYM much I've faced several bugs (like this one), and noone has been able to give a clue about any of them (not in stackexchange, nor in CYM forum). I think I'll install another custom ROM, a more solid one. This is simply not working properly for me.

I used this script in Stock Android 4.4.4 (Galaxy Note 4), but the files in /storage/sdcard1/ are shown with ownership 0.1015 instead of 1023.1023, giving lots of 'permission denied' errors of course. Any idea why?

There was an answer posted up by adasdadasd that I wanted to accept, but has since been deleted. I'll reproduce it below, and accept my answer, but if adasdadasd resurfaces, please repost and I'll delete this and accept yours.

https://jira.cyanogenmod.org/browse/CYAN-332
https://github.com/CyanogenMod/android_packages_providers_MediaProvider/commit/faf3f77b9222554227740aed8127714ea9e3f407
Fixed by default? New change in github.

Here the simpeline
#!/system/bin/sh
REALMNT="/mnt/media_rw/extSdCard"
mount -t ext4 -o rw,noatime /dev/block/mmcblk1p1     "$REALMNT"
sdcard "$REALMNT" /storage/extSdCard 1023 1023 &

And here writable ext4 on external sd
#!/system/bin/sh
chown media_rw:media_rw /mnt/media_rw/extSdCard
chmod g+w /mnt/media_rw/extSdCard

You can change "extSdCard" like "sdcard1" where your external sdcard mounted
Iam used stockrom with Kingroot, but I try Supersu its trouble with mounting filesystem


text:
Sony Xperia Z1 status bar issue
I have a Sony Xperia Z1 that suddenly decided not to react when I pull down the status bar.
I restarted my mobile and also tried to use the developer options to show touches, but it still didn't work.
When using the developer options on Nexus 4, the Y coordinate changes from 0 to over 1k. On Xperia Z1, the Y starts from 87 and then moves as it should be downwards.
Aka. the touches over the status bar is not registered in the device... Any idea why?

What happens if you rotate the device (in an app that supports rotation)? Does the status bar work in landscape mode? If it still doesn't work, then you know your physical screen is fine and something has gone wrong in software.

Didnt work in landscape but certanly a good point.

This suddenly solved itself :
What i did is to enable developer settings and suddenly it started working after about 10 minutes.

Just install from "play store" the free application "DropDownStusBar", it worked for me.

Are you the developer of this app, or just a happy customer? It would be helpful to add a link: that way, any visitors can be sure of getting the app you mean.


text:
How can I speed up image transfer from my Android to the internet?
I have installed an app on my Android phone which can be used for uploading photos to the web. The problem is images can't be upload due to network weakness. Does anyone know a way in which I can speed up my uploads?

The speed of an upload, or download, is determined by more than one factor, and can not simply be "increased". If the network connection is weak, there is little you can do about that. The speed will be determined by your upload speed, the receivers download speed, and how the communicating devices handle it all. As you are likely using wireless on your phone, things that can interfere with the wireless signal has also a lot to say. The more clear space is between you and the router, the better. Even then, other wireless devices can cause disturbance in the signal.
So the answer is, you really cam't, unless you know exactly what is slowing the speed down, and even then it is a gamble. What you can do is of course connect the phone to a computer, and upload the pictures manually from there. If the computer is connected to the net with wire, your pictures should take no time to upload/download ... unless you are on a 20 year old net line, that is...

thanks to response me, one more thing that can we run apk file via w7.

I sadly do not know of any way to do that, perhaps someone else do, tho.


text:
What is the difference between Android user app with root access and a system app
The answer I am looking for is in the aspect of permissions.
Can a system app do everything? Can a user app with root access (on rooted device) do everything?
If so, are they the same?
For example I want to turn the GPS on and I know it is possible on rooted device.
For that requirement should user app with root permissions be enough or should it be installed as a system app?

Check this out: What are the differences between a system app and user app?

Undeleted my answer, though it's incomplete. I'm aware that even with root access, there are certain things a rooted app can't do. Elixir 2, for example has a System add-on which allows the GPS toggle to turn on GPS directly through its widget. Without this, the GPS toggle opens the screen for you to turn on the GPS manually. Maybe someone else can explain.
An app is either a user app or a system app. A user app is stored in the /data folder, while a system app is stored in the /system folder. To access either folder, you need root access.
Giving a user app root access means it can perform actions that requires root access, such as accessing / modifying system files.
But what makes a system app unique is that it doesn't get deleted if you do a Factory Reset. It becomes part of the Android Operating System.
Related questions:

What are the differences between a system app and user app?
Permission is only granted to system app, in Manifest - see the answer here


text:
Are custom ROMs really required?
Are there any specific advantages of using custom ROMs? I am using a stock ROM and removed all the bloatware. I tried few tweaks in build.prop and init.d and use greenify for better RAM and battery management. Other than the custom UI is there any real advantage of custom ROMs over stock ROMs?

@DanHulme  The advantages which is given in the answer were already tried by me? Is my stock rom a custom rom now?

Well there are many advantages of using custom ROMs. Just removing bloatware from your phone doesn't make your stock ROM a custom ROM. Custom ROMs like their name, are based on "custom" code and are not based on the ROMs made by the manufacturer. There are many custom ROMs that change the base-band of your phone which in turn improves the overall signal quality. Some custom ROMs also adjust the CPU speed of your phone so that you get better battery life without impacting the battery life.
Also, custom ROMs generally give you a chance to use the newest version of Android, even before a manufacturer gives you an official release. This proves to be quite beneficial for older devices as a manufacturer tend to forget their old devices.
Just like their good points, custom ROMs have a few drawbacks too. They void warranty when you install it on your phone. Also many ROMs that are released may contain bugs too which will cause issues for the user.
Finally, it mostly comes to personal preference. Many people want that extra bit from their phone and end up installing custom ROMs whereas many are happy with how their phones are out of the box and stick with stock ROMs.
EDIT:  I went through a few more sites, it seems one can't overclock on a stock kernel(found in a stock ROM). You can only underclock on a stock ROM. But anyways my main point of the answer was not only speed. Yes most of what a custom ROM does can be done on custom ROM too but rather than spend so much making so many small tweaks it's best to install a custom ROM that already has all tweaks done out of the box.

The newest version of android now that is an advantage over stock rom thanks for the reply but all the other things mentioned were doable on a rooted stock android using apps like SET CPU and tweaking build or init. Thanks

"They void warranty when you install it on your phone."  Not necessarily.

@user3275057 check this documentation about SetCPU: http://www.setcpu.com/documentation.html
Poldie: What about people not in the EU?

@KaranRajBaruah and exactly why should I read the documentation?

@user3275057 I went through a few more sites, it seems one can't overclock on a stock kernel(found in a stock ROM). You can only underclock on a stock ROM. But anyways my main point of the answer was not only speed. Yes most of what a custom ROM does can be done on custom ROM too but rather than spend so much making so many small tweaks it's best to install a custom ROM that already has all tweaks done out of the box.

@KaranRajBaruah can you add that in the answer so I can set the answer as accepted

@user3275057 I added it to the answer.


text:
Connect to a WiFi-Direct Network with a device which doesn't have the WiFi-Direct feature
Can an Android device which doesn't have the WiFi-Direct feature connect to other WiFi-Direct networks as a peer connected to a Group Owner (GO)?


text:
Is removing an app any different from disabling an app?
One of the main advantage of rooting is removing bloatware [I guess]. Is removing unwanted brand-based or operator-based app any different from disabling it from All Application in Settings? I don't find any improvement in memory too since these apps were pre-loaded in OS and you can't use those space any way.

As it has already been said: the main difference is that disabling an app simply marks it unavailable (which can easily be reverted), while removing physically removes the app and all connected data from the device.
What was still left open is: What do you gain from removing an app, that you didn't get by disabling it – so it would be worth the risk of not being easily reverted?

Space: You're probably talking about system apps here. Those are usually installed on the /system partition, which is mounted read-only, and cannot be used by "normal (user) applications". So removing the app itself doesn't give you space to "simply install other apps". But still:

Almost all apps have data, which is stored in /data/data/<app_package_name>1. While pressing "clear cache" and "delete data" from Settings→Apps resets those, it doesn't completely delete everything. Removing the app does. So you gain at least some space here.
All apps are being "optimized", which results in Dalvik/ART cache data residing on the user partition (inside /data/dalvik-cache). If you delete an app, this cache is removed – if you disable it, it remains (see the comment of Death Mask Salesman below).

Performance & battery: If you disable an app, it becomes invisible to the user – but the files are still there. Also, the package manager still knows it exists. Plus the app's "intents" are still available: if another apps directly calls them, the disabled app still responds to the call. It also seems to listen to some broadcasts it previously had registered listeners on (example: my LG Optimus 4X has those bloated LG stuff I've disabled. Nevertheless, after each boot I receive prompts from their "remote service" app to approve).
That means, a disabled app can still be running in background, if called from some other place – and consume battery plus CPU, even bandwidth and other resources. A removed app obviously can't.

1 Some apps also store (usually "huger chunks" of) data on SDCard, but almost all apps have at least their central data below /data/data.

is /data/data space usable?

Yes. As I wrote, that's the partition available to all apps. Each app gets a directory assigned there on install (/data/data/<package_name>), where they can store their data in. For details, see Android Folder Hierarchy and Where Android apps store data?. Also, .apk files are installed on this partition, see Where in the file system are applications installed?

@Izzy Since we found it out, you could edit your answer to mention that uninstalling a system app nets you usable space which was previously occupied by its Dalvik/ART cache. In turn, the cache keeps hogging space if the app is merely disabled.

@DeathMaskSalesman and what happens with Dalvik/ART cache when you disable an app? Are you sure it is kept? I've never checked.

@Izzy I keep the default LineageOS gallery, Gallery2, disabled. I could ascertain the existence of /data/dalvik-cache/arm/system@priv-app@Gallery2@Gallery2.apk@classes dex and /data/dalvik-cache/arm/system@priv-app@Gallery2@Gallery2.apk@classes.art via both a file manager and SD Maid. Of the two, the first file weighs 3.8MB, the other totals 32.0kB.

Thanks @DeathMaskSalesman – integrated that with the answer!

You answered your own question really:

Is removing unwanted brand based or operator based app any
  difference than disabling these app from All Application in Settings?

To which you wrote:

I don't find any improvement in memory too since these apps were
  preloaded in OS and you cant use those space any way.

Disabling an app merely "hides" the app from your app lists and prevents it running in the background. But it still consumes space in the phones memory. Whereas, removing an app deletes all traces of the app from your phone and frees all up related space.

freeing related space, but these space cannot be used by the user rite?

It can be. If an app is deleted and the space is freed up the user can use it, which is not the case when you disable the app(the space is still consumed).

The os were loaded in the phone memory which cannot be used I think so.Correct me If I am wrong

^^ You're not deleting the OS. If flashing a Custom ROM frees up space(say the new ROM uses 200MB of space instead of 300MB by original ROM, you can use the additional 100MB freed up).

I dont think so, Since the phone memory listed in the Setting>App is not connected to the memory in which the android os is installed atleast I never found a difference in phone memory when installed a 500 mb custom rom and 300 mb custom rom.

Another difference that I've not seen mentioned here is that removing the app might cause problems with firmware updates, so I'd suggest clearing app defaults, force stopping, clearing data and then disabling app unless absolutely necessary or your phone is no longer receiving updates anyway

In either case (removing or disabling), the app won't be running in memory. If it was a service that kept running, like Samsung's apps, you'd have lesser apps using the CPU, and that may improve battery life.
If you remove / uninstall an app, you are definitely going to free up some memory/storage. But if the app is very small to begin with, the freed up storage is probably going to be negligible.
If you disable an app, you have an advantage of being able to enable it when you need it. There's no need to download and install it again.


text:
Volume Limiter for android?
Is there a way to limit volume with a parental passcode on android?  I know there are apps for limiting volume, but is there any way to secure those limits so a child cannot change them?

If you are on a tablet running recent version of Android OS (4.3 and above), you can create a restricted user profile for your child.  There you can simply disable access to the app which you used to limit the volume.
For older versions of Android OS on tablets and on phones (restricted profiles are disabled for phones even on latest Android OS versions,) you can try various "app protector" type of apps, that provide password-based mechanisms for restricting access to various installed apps.

Can it prevent the volume from changing when Vol Down / Vol Up is pressed (stock behavior)?

I assume the volume limiter app will do that.  Neither restricted profiles nor app protectors do anything for volume controls, as far as I know.

Ah, that's right... I didn't think of that. :)

If you have Tasker, you could create a task that detects when the volume is changed. If it goes higher than X, it will run a task to reduce the volume back to X.
Tasker also lets you password protect groups of events, and you can enable Tasker to be an Administrator on the device.
Your child would be able to breifly set the volume higher, but it would always reduce back down. They couldn't disable the tasker event without the passcode, and they couldn't uninstall or disable Tasker since it is a device admin.
Of course, they could always get around it somehow, such as clearing the data on the app or figuring out how to remove the Administrator flag so that Tasker could be removed. It is a cat and mouse game. But this solution should suffice for people who aren't as technically minded.

And if you have Android 4.3 or higher, then Chahk's answer is preferable. Things built-in to the OS are always going to be better than stapled-on solutions.

Kind of late, but I found one I really liked: Max Volume Control. It allows you to lock the controls and starts up when you restart the device. So far my kid hasn't been able to circumvent it.

Are you affiliated to the app? There is only review for that app and that appears to be from AI T.

Also in at least two other blogs/Forums an Al T described that app as useful. All posts has been made around new year's Eve 2016.


text:
Why MP3 music files cannot be played on Note 3? ( It says, The music player does not support this type of audio file)
Why MP3 music files cannot be played on Note 3 with the default audio player? (It says "The  music player does not support this type of audio file".)
This happens to some of my MP3 files when I try to play them on my Note 3. They were all fine when it was transferred to iPhone previously. They can also be played by my Windows  Player. I've tried deleting them from my Note 3 and transferring them back again which does not work.

Are you sure the iPhone didn't add a form of DRM? Can you find them in their original form?

It would be helpful to let us know which player you are using (they are many), or if you are using the stock player that came with your device.

I'm not sure how iphone work, but those files can be played as of their original form. @wbogacz

Sorry about the missing information. I'm using the player that comes with my device. @Colin

It seems Galaxy Note 3 by default supports MP3, as also proven by your statement ("This happens to some of my MP3 files"). However, with current information, it's hard to guess the reason. I'd like to have 1 sample of the MP3 to test, but I'm afraid it could be counted as piracy.

I had this issue and restarting my phone solved it.

After trying multiple music players, I found that Neutron Music Player will play all of the mp3 files that were otherwise unplayable!

Thank you for the referral to Neutron it did work for me.


text:
How can I turn off vibration without going into silent mode on a rooted Nexus 5 with stock firmware?
I see a related question but I do not see an applicable answer to my exact situation. I want to turn off vibration on notifications, without diabling notification sound along (so notifications should still play sound, just not vibrate).
I'd like to do it using Tasker. @Izzy recommended the "Vibrate On Notify" toggle but that doesn't seem to be available for me; unsure as to why (see image below).
I'd be open to installing Xposed Frameworks module if needed. Any ideas?

Tasker window (click image for larger variant)

Have you tried to go to User Profile settings and changing the Default Notification to Silent?

Have you tried Tasker's Vibrate On Notify action? From the Tasker manual: Whether to vibrate with a system notification. I've not tried it, but it sounds fitting.

@shub but wouldn't that also suppress notification volume? As far as I understand the question, OP only wants to turn vibration for notifications off, not volume.

@Izzy correct; I'd like to turn it off without going into silent. I looked at the mentioned tasker option but it is not available to me for some reason. Looked promising.

Yeah, some options seem to be device specific. I've got some of those as well. Usually this means the device doesn't support that.

Have you tried the search function in the Xposed modules repository? A quick check found no exact matches, but some modules which might include it.

@Izzy yes, did a search on Xposed and didn't find anything applicable.

@BeamingMel-Bin A comparable issue: On some devices it's not possible to disable cell radio without going into airplane mode. My work-around here: Switch to airplane mode, and then explicitly enable everything I didn't want to switch off (e.g. WiFi, Bluetooth). Not sure if a similar thing would be possible here (switching to silent mode, and then turn on volumes only), so it's just a thought in which direction some rescue might be.

@Izzy i have already tried that one out but didn't work for me. That's why did not post.

Install Vibration Tuner Xposed module and set "global vibration strength" to 0%.
Compatible with at least Android 5-7 (I don't personally own a device with Oreo installed).


text:
Unhide a Contact
I accidentally hid an individual contact. I cant' find a way to un-hide - I'm imagining an "Un-hide all contacts" option or something. Any ideas?
I'm using a Motorolla Droid XT907, Android version 4.1.2
Edit:
I did find this answer, but it's a bit invasive, as the original poster said: http://www.droidforums.net/forum/droid-razr-support/239955-unhide-read-only-contacts-2.html

And how did you hide that?

(contact name) > Menu > Delete. I was then prompted that I couldn't delete the contact via the "Contacts" app (because the contact came from another source), but that I could hide it. I accidentally hit "OK".

Other source, like the SIM card? I do not know how to naviagate these programs well yet, but I just find the settings , a view mode in contacts that shows the sim card contacts, or phone contacts, or all contacts?

I have the same issue on my Nexus 5. The trick didn't seem to solve anything.

@Jon did you recover the contact?

This is how I solved a similar issue I had on my phone.
Since the contacts in question were synced through a gmail account, I went in my contacts and exported all of them to make a backup. Then I restored my contacts via the menu (More > Restore contacts...) to a day before the one on which I believed to have deleted the contact. The restore points go back to 30 days maximum.
From there I could import the backup I had downloaded earlier to merge with the freshly restored contacts.


text:
What is meant by locked bootloader?
Everyone complains about locked bootloaders on phones.  From reading the bootloader seems to be code stored on the partition which /boot is mounted.  Once the phone is rooted why couldn't one just delete what's on /boot and put their own stuff there.  When you do an OTA and it update the boot loader I assume it just writes files to this partition.
In a Linux distro I can replace grub which is stored in boot with LILO or whatever by simply replace the files in /boot and write the PBR to the head of that partition to then boot into LILO.  When the PC boots it looks at the MBR which tells it to look at the active partitin (persumably the one with /boot), chain into that and read the LILO code at the head which then does stuff with all the other files in /boot.
How do android devices boot differently that prevents that?

check this: http://android.stackexchange.com/questions/46186/what-is-a-bootloader-unlocked-phone?rq=1

@KaranRajBaruah - Thanks I read that awhile ago.  I still don't see why once you have a rooted device you can't replace the /boot partition.  The bootloader isn't hard burned into the phone.  It don't think it's comparable with rewriting the BIOS, more comparable to rewriting whats on that mountable partition.

The bootloader is not generally on the /boot partition, it's on a separate one, although that's not really the crux of the issue.
The problem occurs when the bootloader is cryptographically signed, which is intended to prevent you from replacing it with your own. The device will check the signature of the bootloader at startup and refuse to boot one with an invalid signature. After that, the bootloader checks the signature of whatever is in /boot, refusing to boot that if it's not signed validly. Therefore, you can't overwrite either partition without rendering the device unbootable.
When a bootloader is unlocked, it will not check the signature of the other partition images, which is why you are able to install custom ROMs. This means that you don't need to replace the bootloader in order to modify /boot, you just need to unlock it so that it skips the signature check on /boot. If the bootloader is locked and signed, then you're essentially stuck, barring an exploit that allows you to bypass one of the signature verification steps.
This also means that locked bootloaders, in and of themselves, are not necessarily a problem. The real problem is signed bootloaders that do not provide an unlocking mechanism.
The process is (more or less) analagous to UEFI Secure boot, although it's probably not exactly the same architectural implementation. Incidentally, going with your example of Linux, one of the primary criticisms of UEFI Secure boot is that it could potentially be used to prevent installation of alternative OSes on traditional PCs via the same signature checking scheme.

Let's take the GS4.  There is what's hard burned into the phone.  This is similar to EFI or BIOS and can NOT be changed.  It is hard coded to check the signature on BL.  At first Samsung was cool and provided a (signed?) BL that did not care what ROM it loaded on /boot (unlocked).  Since Samsung has the keys they can update BL and sign it.  They decided to update the BL OTA and enforce signature checking on the ROM.  This essentially locked the bootloader.  Locked or unlocked whatever is in the BL partition must be code-signed because the phone is hard coded to check and it can not be disabled

Is that correct?  If so, why can't one simply put the old, unlocked code into the BL partition?  Also is it possible to change what loads the BL, similar to flashing BIOS, or is it straight hard coded into the board.  Thanks for the informative answer btw.

In theory, downgrading would be an option, and is the angle that most modders would probably investigate. In practice, it may not be entirely easy to do. I don't know about Samsung specifically, but other manufacturers have implemented software restrictions to prevent you from downgrading your bootloader via normal means. That may be the hangup in your example as well, and would require finding a way to write the bootloader outside supported methods.

With regards to modifying the the stage before the bootloader: again, it may be possible in theory. The Kindle Fire had a first stage loader that was writable. However, code for such a loader may not be available publicly (most bootloaders are proprietary for that matter), so modifying the first stage would probably be difficult. I'm also not sure if all phones use a first stage loader in the same way, or if it is read-only on those that do. It would probably be reasonable for it to live on read only memory, since needing to update it would be unlikely.

How wouldn't the BL be writable?  Aren't these just partitions on the internal flash (a glorified internal SD card)

They are, but without root permission you can't mount it. If you could obtain root, and you had access to an older, unlocked (but still signed) bootloader, then I imagine you could probably manage to downgrade it somehow. Like I said, I'm not too keen on the S4 situation specifically, so I don't know if there may be some other factors at play there.


text:
Android 4.4 default button restoration?
Android 4.4 comes with an app button in the bottom panel. If it gets deleted, how do I get it back?

Are you talking about the dock? Do you have a 3rd-party Launcher app installed? Also, it would help if you listed the Android OS version you are using.

I'm running Kit Kat/ CM11.

Assuming it's the default launcher, you should be able to drag and drop app shortcuts from the app drawer onto the dock, just like you would when placing them on the home screen.

@geffchang does the answer in that question still apply to CM11?

@Chahk I would assume Yes.

If you are running the Google Now Launcher this is supposedly not deletable. Other launchers allow customization and offer the button as a shortcut to a "launcher action". If you long press on an empty region on your home screen it should ask you whether you want to place a launcher action there. If you just go thru the options in that list it should be quite easy to find.
Here's are some screenshots for Nova Launcher on my i9100 running 4.4.2.


text:
Gmail on Android separate from google play
Is there any way to read mail (and calendar) from a gmail account on a Android phone without tying the account to a play-store account used on the same phone?
Theoretically this should not be a problem, gmail offers pop3 and IMAP so i should be able to use a client app and keep google ignorant of the device i use.
I ask because so far i have not connected my gmail account to my bank account or credit card and i would like for these to stay disconnected.
Bank and credit card account identify me by name and surname (phone, address) while gmail is tied to some of my web activities (for example search history). I dont want to make it too easy for google and all those foreign governments to connect the two.
Here are some related questions:
How do I remove all social integration features with Google+/Google applications
and
What information does stock Android send to Google by default, and how do I opt-out?. I would like to set up my new Android phone one step at the time, starting with the gmail and playstore account.

Yes, you can set up multiple Google Accounts on your device and Gmail will handle them with aplomb.
You may have to have the Play Store account be the "main" account, just for ease of use, but you can easily add the account(s) where you have your email and/or calendar information. You can also selectively choose which account syncs Gmail, Calendar, etc.

As Al E stated you can add multiple Gmail accounts to the Gmail app & set them to only sync the email. Another option would be to open Gmail in your browser.

But if i use the gmail app, google knows the same person uses the gmail address and the play-store account.


text:
having problems with the home page S4
My S4 has been rooted 2 weeks ago,and today it locked up and I cannot do anything on it, cannot open settings, cannot receive phone calls, cannot send text messages. the home page is unresponsive, and when i try to press any buttons the only thing that comes up is a message saying "touchwiz in not responding". The computer is now not reading the phone. So not sure what to do, please advice. Thank you!
A friend rooted the phone for me, so not sure how it was done, and my friend is out of the country now.Did not change any settings.

What have you used root to do? Did you change any system settings that aren't normally accessible, overwrite system files, or use any apps that use root? Please [edit] your question to say, so that we have a chance of working out what could be wrong.

A friend rooted the phone for me, so not sure how it was done, and my friend is out of the country now.Did not change any settings.

did not even install any new apps since it was done. The phone worked fine till today. It was responding slow, so I restarted it, and now nothing works.

Did u try rebooting ?

Try factory setting option in settings.If it doesnt work,try updating it to next version os and again root it if necessary.I would suggest to just root it again it may happen that rooting process is not been completely successfull.

Thank you for your answer! I did a factory reboot, but the phone still does not work. It does not go pass the initial page where you choose the language options when I turn it on, the screen keeps "shaking", and I am unable to complete the original set up.


text:
new sd card, can't move anything to it
I have a android tablet. It is not rooted.  Model number SC-72 Android Version 4.1.1 baseband version v0.4rc3  Kernel version 3.0.8
My issue started when I tried to download a new game for my son. Error downloading "   " There is insufficient space on external storage.  So I tried removing a few programs but I quickly realized I needed a sd card.  So I bought a scandisk 16 gig sd card.  Plug it in. restart tablet.  Try to download/install same game and I get the same issue.  I try to move the apps to the new sd card and I get error message Couldn't move app. I clear data and cache same issue.
Do I need to format the sd card in some way???
I'm sure this question has been ask but I could find a answer that work for me when I looked.

It is worth a try to for!at the card fat32, then attempt to move the app again. I know however that some applications are not built for use from an SD card so it could be application specific also. to see if this is the problem  attempt to move different applications and see if the same error occurs.
Let me know how it goes.

thanks for the quick reply   can I format though the android or do have to use my pc

I believe there are some utilities for android that should so the job (search formatter on google play). But your computer would also work if that gives you issue

Or just follow this: http://m.wikihow.com/Format-an-SD-Card


text:
How to root Moto X with stock 4.4 kitkat without unlocking bootloader?
I have tried RockMyMoto, PwnMyMoto and SlapMyMoto. All have failed. I am also unable to downgrade from 4.4 kitkat (which the phone came with) to 4.2.2 in order to root. The downgrade fails due to "security downgrade" or something similar. Any advice? I do not with to void the warranty by unlocking the bootloader.
Is it possible to flash a pre-rooted kitkat system image using RSD Lite? I was able to use it to re-flash 4.4 after a failed attempt to flash 4.2.2
This is somewhat urgent as it is a surprise gift for someone who likes having rooted phones.
Note: I only mention downgrading from kitkat because there seems to be no way to root a phone which came with kitkat on it. If there is another option, I would love to hear about it!
UPDATE: It is possible that the phone came with 4.4.2 and the updated bootloader. I did not check before I attempted rooting and flashed 4.4 using RSD Lite.

You have two questions here, which should be split into different questions.
To answer your first question from the title: In general, you need to unlock the bootloader to root the device.
Also, by unlocking the bootloader, you are allowed to flash a custom recovery. Using this custom recovery, you can wipe the device's cache, system, and data folders. Afterwards, you can flash a custom ROM that may have a previous version of Android.
Also, under stock ROM, (in some cases) some bootloaders (esp newer ones) will not allow you to downgrade. Doing so will break stuff on your device, like Wi-Fi and sound not working properly, etc. But again, this is a general statement (not specific to Moto X), and may partially answer your second question.
Anyway, there is a guide here that allows you to downgrade from KitKat to JellyBean.

While you are right, I have only one question really: how can I root this phone without voiding the warranty? I followed that guide and I was unable to get it to work. The 4.2.2 image wouldn't install gpt.bin because of a "security downgrade."

@KG6ZVP Root = Void Warranty. But it depends on countries, really. In other countries, customer service still accepts repairs for phones that have void warranties. As for your installation issue, what step is that?

I get the error on step 2 which is fastboot partition gpt.bin and if I try to simply ignore it and continue, all the others fail as well.


text:
External SD card no longer able to be read on CM11
I successfully installed CM11-M2 snapshot on my Razr Maxx (xt912, spyder). I was able to use my camera successfully on the device after install. However, now a few weeks in, I am experiencing a few issues related to my external SD card.

My camera no longer works with an error "Insert an SD card before using the camera"
When attempting to download a file through the browser I get an error stating that an "SD card is required" to download the file
I use the app EBookDroid, which allows opening files from the filesystem, while I have an entry for sdcard1 (my external SD card), I cannot view any files inside of it
With root permissions on my File Manager, I can navigate through and view files in my external SD card, but cannot open them in any other applications

After a little investigating, I see the path /mnt/media_rw/ which contains two mounted partitions of sdcard0 and sdcard1. These paths belong to the user and group named media_rw. My best guess is that this issue is related to these permissions. Here is output of ls -la on /mnt/media_rw
drwx------ media_rw media_rw             2014-03-06 12:47 sdcard0
drwxrwx--- media_rw media_rw             1969-12-31 19:00 sdcard1

Is there an fstab file I can verify (I dont see one in /etc/fstab). Or am I barking up the wrong tree with media_rw. Can anyone assist?

I'm with the same problem. Did you tryied sdfix? And what about this: http://winaero.com/blog/unlock-external-sd-card-writing-for-all-apps-in-android-4-4-kitkat/?

http://android.stackexchange.com/questions/64770/how-can-i-mount-an-ext4-formatted-sd-card-with-correct-permissions-with-root
http://android.stackexchange.com/questions/11301/sd-card-formatted-to-ext4-and-permissions
Similar issues, currently unfixed.

That a nightly build??

How old is your SD card? Does it work under stock? If it doesn't work under either, I wonder if the SD card is going bad? How long have you had it and do you do a lot of writing to it? If so, then the card might be going bad as SD cards have a limited lifespan. The more you write to it, the shorted the lifespan.
Do you have another SD card you could try? I would also do a chkdsk on it to see if any bad sectors are found. If so, time to ditch it and get a new card.


text:
What is open source archive?
I just got notification from Drippler app that open source archive is released for my device. This is the Xperia SP v12.1.A.0.266 link. I just want to know what is open source archive.

Rephrased so it doesn't get closed.

Open source archive is for the developers or ROM cooks. It contains files which can be used when building a kernel. This is mainly intended for experienced developers and not for normal phone users


text:
factory reset of a Huawei Ascend H881C
My google play store is not working. Every time I go to download an app, it says no connectivity. I was told that I would have to reset my phone, but I'm scared that it will delete everything. I can't download backup apps because I can't even get on google play. I'm really sad and frustrated because I don't know what to do. Please help! Thanks. (:

You can first try to do this :
Go to setting > manage application> google playstore > clear data
if that wont stop your problem,
you can download BackUp apps from many other sites on line.
try 1mobile market or MoboMarket etc.
If your phone is rooted, try titanium backup
http://www.papktop.com/titanium-backup-%e2%98%85-root-5-5-0-1.html
You need to enable 'Unknown Sources' in Setting > Security tab in order to install apps not from play store.


text:
Does syncing more Google accounts decrease a phone's battery life?
I recently got a Motorola Moto G (4.3 upgraded to 4.4.2), and I wasn't getting the battery life that my vendor claimed I would get (Through mixed usage: 2-3 hours of music, some web browsing, a lot of Whatsapp, a little bit of gaming, and Wifi/mobile network completely turned off in the night (for some 8-9 hours), I barely touch 20 hours of battery life)
I was wondering whether this has got to do with the 3 google accounts that I've kept in sync for GMail and some other Google services.
I may be a bit paranoid because my previous Android phone suffered from woeful battery near the end of its life, but still I would like to know if syncing more accounts drains the battery more or not.

I would say yes, because it is constantly trying to update and  using the battery and yes it depends on multiple accounts

Short answer: yes and no.
Using three accounts won't run the battery down in itself: by far the bigger factor is how much activity there is. To take an example, Gmail uses push messages (via Google Cloud Messaging, GCM) to notify your phone of new mail, so the phone doesn't have to repeatedly poll the server for new messages for each account.
Because of this, adding a new account that never gets any email will have hardly any effect on battery use. OTOH, doubling the amount of email you get will have a much bigger effect, because GCM is waking up your phone twice as often. While adding a new account makes little difference on its own, you're probably adding the account because it's going to get mail, so you will end up using the battery more.
The same applies to other services too. Even for anything that does poll instead of using GCM, Android is clever enough to do all the polling tasks at the same time, to avoid repeatedly waking up your phone. This means that checking two accounts uses a little more battery than checking one, but less than twice as much: again, the amount of work it's doing each update (how much data it's fetching) is a bigger factor.
To address your particular situation, I'd guess that the background updates on your phone aren't using nearly as much battery as the foreground things you're doing. Don't forget you check the battery use of each app in the device settings.

Thanks. There's one account that I synced which I only use for registrations on sites and stuff, and so keep getting mails on that - but don't use it for personal use. Unsyncing that would enhance my phone's battery life, I guess.

If you don't need the notifications immediately for that account, I would just disable sync for the services you don't need (Gmail, calendar, etc). Then when you go into the account in say Gmail, it will tell you that it is not syncing and you can manually sync it. This will prevent the device from waking up from the notifications. You can still access the account, but it just won't get push notifications for the services you disable sync on. This should reduce the battery impact it may have.


text:
Samsung Galaxy S4 not getting software updates of 4.3 or 4.4
I have a galaxy s4 device running on 4.2.2. I am not getting any updates for the same. When I do check for updates it says "You already have the latest version". I know 4.3 has officially released for galaxy s4.
I don't want to root my phone and update it. Since it is officially released why i am not getting the updates ?
Please suggest any solution so that i can get my phone on latest OS version.
Thanks

Sometimes OTA (over the air) upgrades are very late to turn up.  Also, your carrier can delay things, which is nice of them.  You should try installing Samsung's Kies software and upgrade that way.

It also depends on country rite?


text:
How to restrict Chrome to load only a specific website?
We want to allow accessing our web based ERP and nothing else.
I tried  Surefox - but it does not honour target="_blank" in my anchor tags (basically it works as a one window/tab only browser ). Our Web based ERP uses a lot of popup windows.
How do I lockdown Chrome on Android to open only one website in the URL bar?

Surefox seems to suit my needs, so upvoted for being useful :) As for your case, I know this will sound completely off of what you're trying to achieve, but is the ERP yours like in developed by your company or yours as in what the company uses? 'Cause if you've developed it and are still using popups, I wouldn't recommend that, popups are outdated

It requires development of a WebView application that restricts loading third-party content.

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


text:
Samsung Galaxy Grand Duos not embedding GPS information in Photos
My Samsung Galaxy Grand Duos is not embedding GPS information(Latitude/Longitude) in Photos taken from the phone camera.
I have enabled GPS option in main settings, and also set the GPS tag in the camera settings.
The latitude and longitude information is not appearing in the photo details.
I do not wish to enable the "Mobile Data" option.  I do not need the location information like place name, etc... I only need latitude and longitude information.
What other setting am I missing?

It could simply be that the phone doesn't have a GPS fix when you take the photo. It might be different in your phone's camera app, but most camera apps start asking for the position when you start the app, and if there isn't a fix when you hit the 'shutter release', they save the photo anyway, rather than holding you up waiting for a GPS fix. Getting an accurate position can take some minutes if you're hidden from the sky, so it's easy to take the photo first without realising.
Check the location icon in the notification bar, and be sure it has stopped blinking before you take the photo.

I use the default camera app which came with the phone.  I have taken photo inside and outside building, but no luck.  There is no location icon in the notification bar.  Is there some setting i am missing?

If there's no location icon at all, then the camera app's not trying to get the location. Double-check the camera settings.


text:
Music just won't play loud enough on Samsung Galaxy S4 i9500
On my Macbook Pro, iTunes lets me take advantage of my Sennheiser HD 380 headphones. I can lift the sound as loud as I like.
On my Samsung Galaxy S4 i9500, I just can't get near as loud a response from my headphones. It's very quiet.
(How can my computer's operating system give me far greater feedback than the Android operating system on my phone?)
Please advise how I can achieve the same sound quality with the Android OS.
Thank you.

What about the headphone that came with the phone is it audible enough?

Yes I would say they were.

Related, and might have suitable solutions for you: How can I set my volume to be beyond 15 on my samsung galaxy S? / How can I boost the music volume higher than the max limit?

This might actually not be a problem caused by the operating system but rather by how much voltage the device can output into the headphones.
So, your Macbook is more likely to have a more powerful audio output than your S4.
The key word here is impedance. I assume the headphones you mentioned have a impedance too high for mobile devices, such as the S4.


text:
How to avoid mute when adding new call
I'm on Android 4.2.1.
During a call, tapping 'Add call', automatically mutes the current call. I find it very annoying, mostly because usually when I want to add a call it's because I want to make a conference call.
Further more, sometimes I'm asking someone for a friend's number, when starting to type the number I'm muted, and the first one goes "hey, you're writing?". Very annoying.
Anyway is there a way to disable this annoying behavior?


text:
Cannot see pictures and cannot hear audio on Galaxy Y; package data not signed properly
I don't know what's wrong with my Galaxy Y. When I take pictures or download pictures, they cannot be viewed. Audios can not be played. I tried downloading Facebook, Viber and Wattpad, but it keeps on saying package data was not signed properly.

What about the media files that is already present in the phone?

Welcome to Android Enthusiasts! There are some possibly related questions on "package not signed correctly" you might wish to check.

Actually galaxy y default player doesn't support much formats.
Check which format it is. Then try downloading the player which supports the format.For eg: if it is 3gp format videos you will need 3gp player.


text:
Delete pre installed apps under oem/apps folder?
I have already rooted my android tablet. I am able to access internal system locations e.g. data/data/com.example.src.
However, I am unable to delete aps's under oem/apps folder. I have already tried "RootAppDelete" app to uninstall thses apps, but this app says it has no root access. But the data/data/packagename location only becomes accessable after rooting the device, and as I mentioned above I am able to access this location.
Can someone tell me how to delete apk's under oem/apps folder?

Welcome to Android Enthusiasts! Have you checked our bloatware tag-wiki, and tried some of the hints from there? Examples: How can I uninstall applications that are locked by phone vendor? / How do you remove pre-installed apps on a rooted phone?

give the root permissions to the RootAppDelete app from the superuser app.
and I would recommend you to use titanium backup to delete pre installed app

it's not that easy to remove those apps. I would suggest installing a custom ROM like Cyanogenmod (that's what I did myself). You might have some problems with apps that do not work under that custom ROM and there is no way back...
I assume that you want to use google play store therefore the "google apps" come by default included in this proprietary package.
I have found a script for doing what you want to do, it didn't work for myself and I ended up using a custom ROM try http://forum.xda-developers.com/showthread.php?t=2307355 it is a script which you can modify, you need a rooted device and cwm or twrp

Without the link, there is no useful information here. If the URL stops working, this answer has no value at all. Please [edit] your answer to include useful information that doesn't require one to follow the link. By all means keep the link to source the original material and for further reference.

You have to do this : Click file or folder > right click>change permission
After has change then delete file that you want it

If you've Superuser, make sure it is giving the app superuser privileges. I used this app: System App Remover Pro v3.0.1035 (com.jumobile.manager.systemapp.pro)

I've removed some information from your answer. Note: 1)Permissions can be noticed during installation so no need to mention them here. 2) Size is not relevant since user can come to know it from product's page on Play Store.


text:
Search Play Store history for an app?
My droid phone died recently and I got a replacement. I was trying to install a phone silencer app that I liked which was on my old phone, but I couldn't find the exact one in the Play Store. Is there a way I can search my old Play Store history? Or is that information lost with the old phone?

go to my apps in google play browse all the apps

@user3275057 that's exactly it. Can you make that an answer on this question?

Go to my apps in google play browse all the apps
Note: Made as answer as requested


text:
LiveSuit (or other similar tools) for Linux or BSD
I need to Flash a new ROM on to a Allwinner A13 tablet. But I have no access to a windows Box.
Is there any tools like LiveSuit for Linux or BSD.
Also if/how to install tablet device driver.

There's this which adb and fastboot is sufficient. As for BSD, there's very little support for the BSD un*x systems in regards to flashing and all associated with Android.

There are some projects that have gotten LiveSuit to work on Linux, such as this website and details in this forum.
Most of what I could find focused on A10 chipsets, but A13 is close enough that it might work (of course, you'll have to find A13 specific ROMs). The second link also shows how to manually install drivers. Since you didn't specify your exact model, you may have to modify the directions somewhat to work with your device.
The easiest solution, of course, is to get access to a Windows box. A year ago, Linux support wasn't so good, so I had to borrow someone's computer for a bit to flash my Allwinner A13 tablet. Even more restrictive is the ability to generate your own ROM images. I couldn't find anything that would work on Linux, so I was stuck using Windows to upgrade my tablet* to Android 4.1.
*I wrote this post.

Mine is JXD-S9100 but currently running Freelander PD60. (PS:Do you know any 4.1 Firmware for it). I also got the CWM working on it. Could i put the .img ROM file on the SD card and flash it that way instead of LiveSuit?


text:
Android's Daylight Savings Time change messes up recurring events. How can I deal?
I've had this issue for a while now: Whenever the Daylight Savings time change occurs, Android takes it upon itself to adjust all my reminders forward or backwards one hour-- this happens in the stock Calendar app, my to-do list app (Tick Tick), and my alarm app (AlarmPad).
For example, I have a recurring alarm set to go off every morning at 7:00 am (except Saturday.) With the change coming on Sunday, my alarm app shows me that my next alarm (on Sunday) will go off at 8:00am, not 7:00. In Tick Tick, my recurring reminders after Sunday are similarly pushed 1 hour back.
This is something I Do Not Want. I want my alarms to keep going off at 7am every morning, and my recurring reminders to stay put. Is there any way to stop this behavior in Android?
(I'm on a Nexus 5 running stock KitKat, if it matters.)

I am curious as to how you were able to observe this behavior since the phone didn't ship until after the DST change in November and it hasn't yet happened again? I have used Android for almost 5 years now and have never once had this happen. Are you associating an experience with a previous device with what you anticipate will happen on the N5?

There's no "the DST change in November" - it happens at different times in different countries.  Some have already gone forward; he could be describing either.