Hard Reset NOKIA 7900 Prism
- Phone must be turned off so press and hold Power button.
- Go to Standby screen or open phone's Dialer.
- Type in one of this code's in phone's Dialer: *#7370#
- Master reset must be confirmed by tapping Call key.
- Done, phone is ready to work on.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.