*#06# :for IMEI
*#92702689# :All Manufacture (Warranty)
*#3370# :Enable EFR (To disable, Type it again. Phone Automatically Restart)
*#0000# :View Software version
*#7780# :Restore factory settings
*#67705646# :Clear LCD Display (Operator Logo)
*#2820# :Bluetooth device address
*#746025625# :SIM lock allowed statue
*#62209526# : Display the MAC address
#pw+1234567890+1# :Show if SIM restrictors.
*#4720# :half rate Codec activation (To disable, Type it again)
*#7370925538# :S-60 (Reset)
Default code is 12345
*#3925538# : Delete the contents and code of wallet
*#7328748263373738# :Reset Phone Code. Default code is 12345
Below are some reset codes for various Series 40, 60 and the new Series 80 Communicator series (Nokia 9300/9500):
Full Reset: (clears everything off the phone memory!! Be sure to back up your contacts!!): *#7370#, 12345 and then Yes.
Soft Reset: *#7780#, 12345 and then Yes. (Also works on Nokia S40 phones as a full reset)
