Hard Reset NOKIA 3100
- Make sure that device is working then open phone's Dialer.
- Type in this code using keypad: *#7370#
- Call key to confirm whole process of Master reset.
- Let your device to restart, it should take around 30 seconds.
- Success! your phone is now after operation and ready to use.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.