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.
*#92702689# - takes you to a
secret menu where you may find
some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of
Manufacture
3. Displays (if there) the date where
the phone was purchased (MMYY)
4. Displays the date of the last repair
- if found (0000)
5. Shows life timer of phone (time
passes since last start)