How to make backup of wifi configuration in Android

This guide works with most of Android devices, and requires root permissions .

• Backup on Android 2.3 (Gingerbread):
• Get a file manager with access to root privileges (recommended Solid Explorer which is free)
• Open the file manager and position of / data / wifi / and copy the file bcm_supp.conf save it somewhere.
• Backup on Android 4.0 (Ice Cream Sandwich):
• Get a file manager with access to root privileges (recommended Solid Explorer which is free)
• Open the file manager and position of / data / misc / wifi / and copy the file wpa_supplicant.conf save it somewhere.

Resetting wireless settings

• Return the file . conf previously saved in its original folder (in / data / wifi / or if you have Gingerbread / data / misc / wifi / if you have ICS) overwriting the file (if present).
• Change the file permissions to the file manager and impostateteli like this:
• Owner: Read – Write
• Group: Read – Write
• Other: all unchecked
• Reboot the phone to make the changes effective.