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.
How to Hard Rest NOKIA 3310 2017 - Reset Code in NOKIA
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.