These are codes of nokia mobile phones and will work on most of the latest nokia mobile sets. You can display the hidden information of mobile sets and troubleshoot the problems using these codes.
*#92702689# To display the mobile warranty related settings (Serial no, Made,
Purchasing date, Repaired date, Life time).
*#06# To display the IMEI Number of the mobile
*#0000# Use to display the mobile software(firmware) version
*#2820# To verify the Bluetooth information
*3370# This Nokia code activates Enhanced Full Rate Codec (EFR) - Your Nokia cell phone uses the best sound quality but talk time is reduced my approx. 5%
#3370# Deactivate Enhanced Full Rate Codec (EFR) .
*#4720# Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time.
*#4720# With this Nokia code you can deactivate the Half Rate Codec.
*#7780# reset to factory settings.
Default security code of Nokia is 12345
Jul 12, 2009
Useful Nokia mobile codes
