Normal Reset (*#7780#) :
Restores ini files from rom but preserves
user data (photos, 3rd party apps etc)
Deep 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.
Full phone format on a Series-60 device
If any of the problems listed below is happening to your phone:
A. Blank screen phone unable to boot-up.
B. Phone is only able to boot-up to "Nokia" screen (may flash "Nokia"
4 times also).
C. Install a program but unable to uninstall it.
D. Unable to delete certain files on C drive.
--- WARNING: This will ERASE EVERYTHING on your phone ---
If you have any files that are important to you, make backups.
1. Make sure you phone is fully charged.
2. Backup your contacts list and personal files to MMC memory card (if
3. Switch-off your phone.
4. Press and hold these three keys together
-Green dial key,
-Star key (*)
-Three key (3)
then press the power on/off to swtich on the phone.
Do not let go the three keys until you see the "formatting" screen displayed
5. After a few minutes, the format will be complete. Your 6600 will
now be at its original factory settings.