Hard Reset NOKIA 3711
- Press and hold Power button to start-up device.
- Type in code using keypad. (Codes: *#7370#)
- Master reset has to be confirmed by tapping Call key.
- Device needs to reboot, it should take less then a minute.
- Done, device is now ready.
Remove Lock Code in Nokia Phone - factory reset with forgotten security code
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.