Please Note: The result of this process will wipes the entire phone memory and settings fresh to how it was (or should be) when you bought it.You are advise to make a back up of your device and you need to understand that what you are doing this is at your own risk. However, this does not delete all the data stored on the memory card.
For Soft Reset;
- back to factory settings: This should maintain your data (contacts/messages/calendar/notes etc), just returning your N97 back to all previous settings
Settings> Phone>Phone Management>Factory Settings
Restore Factory Settings
Dial *7780# to restore all the settings to default. It will request for security PIN, the default code will be 12345.
Reformat Phone System
Dial *7370# to reset Nokia device, only data in System will be affected. To play safe, back up all your data before proceed. It will request for security PIN, the default code will be 12345.
For Hard Reset:This also restore your Nokia when it frezzes at the nokia screen logo only and didn't go any further.
hard reset is an options but will result to loosing all settings, contacts, data etc…
Turn your phone off and simultaneously press these four buttons circled in red.
- * (asterisk key)
- 3 (numeric 3 key)
- CALL / GREEN key
- On button
Once the process is complete, re-install all the back up application on the device.