Seeing Wi-Fi password on Android 6.0/EMUI 4.0 I couldn't find nothing on Google, nor Stack Exchange, sorry for duplicate.
So, I want to see a password to an connected Wi-Fi, without rooting my Huawei P8 Lite (ALE-21). 
 Is it possible to access /data/wifi/ using Ubuntu 16.04 or Windows 10, if I can't directly from the phone? A friend, told me something about giving full admin rights to a root explorer app (sideload)
 If nothing is possible, can someone explain me how to root Android 6.0/EMUI 4.0, accessing /data/wifi then delete the root and get back to the normal, like nothing happened? I don't want to damage my phone, I just want to access that section.
Simply back up your Wi-Fi settings using Huawei Backup application.


Save the backup to SD card 
Navigate to this folder: /sdcard/HuaweiBackup/backupFiles/xxxxxxx/wifiConfig.db (where xxxxxxx is a folder with a date on which backup was performed.
Using a file manager open the file wifiConfig.db as text (you need a text reader here try RB text editor -works even if not rooted)
In that .db file there is a list of wireless SSIDs with thier corresponding passwords and choose the one you wish to know the password an you are done.