nokia code

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
*#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