Code HP NOKIA

On the main screen type


*#06# for checking the IMEI (International Mobile Equipment Identity).


*#7780# reset to factory settings.


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


*#0000# To view software version.


*#2820# Bluetooth device address.


*#746025625# Sim clock allowed status. 


*#62209526# - Display the MAC address of the WLAN adapter. This is available only in the newer devices that supports WLAN like N80


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