Hard Reset NOKIA 7900 Prism

  1. Phone must be turned off so press and hold Power buttonHard Reset NOKIA 7900 Prism
  2. Go to Standby screen or open phone's Dialer.
  3. Type in one of this code's in phone's Dialer: *#7370#
  4. Master reset must be confirmed by tapping Call keyHardReset NOKIA 7900 Prism
  5. Done, phone is ready to work on.

How to Hard Rest NOKIA 3310 2017 - Reset Code in NOKIA

Hard Reset will erase all of your data
All described operations you are doing at your own risk.

Help! This doesn't work