How to recover wifi password from Android phone

Step 1
Download GT Recovery for Android from the official website: http://www.gtrecovery.net/:

Step 2
Install and open it, if your device has not been rooted, GT will remind you to root device at first:

If your device has been rooted but you rejected GT’s application for superuser rights, GT will remind you:

Step 3
Once the superuser rights is obtained successfully, the home view will be shown. Click “Recover Wifi” on homepage:

Step 4

start the scanning process, the wifi that can be restored will be shown in the list, you can stop the process any time you want: