Step 1. First of all, you need to root your android as the app will work only if you have root access in your device Step 2. After rooting your device download and install the app Wifi Key Recoveryin your android.
Step 3. Now launch the app and you will see the popup regarding permission for super user access grant it the permission.
Step 4. Now you will see all the wifi networks that you had connected with your android device and their passwords too along with them.
Step 5. Now just copy the password and get login into that wifi and that’s it password will be recovered and you can now even change the password of that network by visiting the admin panel of a network.
Using ES File Explorer
Step 1. First of all, you need a file explorer that gives you the read access to the root folder. If your default File manager doesn’t give you the read access to the root folder then you can install ES file Explorer .
Step 1. Now you need to head over the data/misc/wifi folder and you will find a file named wpa_supplicant.conf.
Step 2. You need to open the file and make sure you use ES File Explorer‘s built-intext/HTML viewer for the task. Now in this file, you will be able to see the network SSID and their passwords next to it.
