Hard Reset NOKIA 7900 Crystal Prism

  1. Make sure that device is working. Hard Reset NOKIA 7900 Crystal Prism
  2. First of all open phone's Dialer by pressing Call key.
  3. Type in code into phone's Dialer: *#7370#
  4. Confirm by pressing Call keyHardReset NOKIA 7900 Crystal Prism
  5. Success! after restart you can use your device.

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

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

Help! This doesn't work