On a Series 60 based phone, 2 key sequences will allow to restore your phone :
Normal Reset *#7780# : Restores ini files from ROM but preserves user data (photos, 3rd party apps etc)
Full Reset *#7370# : This reformats completely the C: drive. All applications and files stored on this drive will be lost and clean default files will be rewritten.
In both case, the phone will ask you a confirmation and you will have to enter a security code (12345 by default).
complete formatting
Complete phone formatting on your nokia as steps below:
1. Make sure you have at least 3/4 charge of battery power left.
2. Backup your contacts list and personal files to MMC memory card.
3. Switch-off your nokia phone and REMOVE UR MMC!.
4. Press and hold 3 keys : Green dial key, * Star key, no. 3 key on keypad and then press the power on/off to swtich on the nokia phone. Remember, do not let go the 3 press and hold keys until you see a formatting word screen show!
5. After a few minutes when the Full phone formatting completed, your nokia will back to original system and factory settting.
