ALL NOKIA PHONES HIDDEN CODES
*#7780# To restore the factory settings of mobile set
*#3283# To verify the set Manufacturing date
*#746025625# To stop the sim clock
*#67705646# Use to delete the operator logo
*#73# Use to reset game scores and phone timers
*#0000# Use to display the mobile software version
*#06# To display the IMEI Number of the mobile
*#92702689# To display the mobile warranty related settings (Serial no, Made,

Purchasing date, Repaired date, Life time).

*#7760# To display the Production serial number
*#bta0# Use to display Bluetooth MAC address
*#9999# Use to display the mobile software version
*#147# If you are using Vodafone then this code will help you show the last call detail
*#2640# To display the mobile security code
*#7328748263373738# Apply to resets the set default security code
*#43# To verify the call waiting status
*#2820# To verify the Bluetooth information
*#7370# To format the mobile phone memory
*#delset# To delete the GPRS AND EMAIL settings
#pw+1234567890+ 1# To display the lock status of mobile set
#pw+1234567890+ 4# To display the lock status of your SIM