Nokia Codes : #4720#
- Alternative sound quality codec OFF
Nokia Codes : *#7780#
- Default factory settings (Hard Reset)
Nokia Codes : *#7760#
- Production serial number
Nokia Codes : *#2820#
- Bluetooth info
Nokia Codes : *#73#
- Reset phone timers and game scores.
Nokia Codes : *#0000#
- SW version
Nokia Codes : *#06#
- Check IMEI
Nokia Codes : *#war0anty#
- SIMLOCK info
Nokia Codes : *3370#
- Enhanced Full Rate ON
Nokia Codes : #3370#
- Enhanced Full Rate OFF
Nokia Codes : *4720#
- Alternative sound quality codec ON
Nokia Codes : *#7370925538#
- Delete all the content of the wallet and the wallet code.
Nokia Codes : *#7370#
- Soft Reset/Format — erases all telephone memory.
Nokia Codes :
*3
- Hard Reset/Format — if only the telephone memory is formatted, puts back the attitudes and reboots
Nokia Codes : *#delset#
- MMS/GPRS settings removal
Manufacturer Discussion
