something about ur ''MOBILE''

To check the IMEI (International Mobile Equipment Identity)

*#06#

To check the phones Software revision type-

*#0000#

To enter the service menu type-

*#92702689# (*#WAR0ANTY#)

Serial number (IMEI)

Production date (MM/YY)

Purchase date (MM/YY) You can only enter the date once.

Date of last repair (0000=No repair)

Transfer user data to another Nokia phone via Infra-Red

Clock Stopping

To check weather your SIM Card supports clock stopping type-

*#746025625# (*#SIM0CLOCK#)
EFR CALL QUALITY

To activate EFR (Enhanced Full Rate) Enter the code-

*3370#

This improves call quality but decreases batterylife by about 5%