On the main Screen Type the Following:

1. *#06# for checking the IMEI (International Mobile Equipment Identity).
2. *#7780# reset to factory settings.
3. *#67705646# This will clear the LCD display (operator logo).
4. *#0000# To view software version.
5. *#2820# Bluetooth device address.
6. *#746025625# Sim clock allowed status.
7. *#62209526# - Display the MAC address of the WLAN adapter. This is available only in the newer devices that support WLAN
8. #pw+1234567890+1# Shows if sim have restrictions.