To check the IMEI (International Mobile Equipment Identity) Type: *#06#

To check the phones Software revision type: *#0000#

To enter the service menu type: *#92702689# (To check repairs,How many hours the mobile phone has been used,purchase date)

To activates Enhanced Full Rate Codec (EFR): *3370#

To Deactivate Enhanced Full Rate Codec (EFR): #3370#

To check nokia phone software version if *#0000# does not work *#9999#

To Displays the current phone security code : *#2640#

Lets you see the private number: *#30#

To resert Restore factory settings: *#7780#

*#67705646# This will clear the LCD display(operator logo).

*#2820# Bluetooth device address.

*#746025625# Sim clock allowed status.

#pw+1234567890+1# Shows if sim have restrictions.

*#7370925538# Note:Data in the wallet will be erased. Phone will ask you the lock code. Default loorck code is: 12345 Press