LG Secret Codes:
For your IMEI (International Mobile Equipment Identity) number:*#06#
Bringing up the LG secret menu: 2945*#01*#
To access test mode off the main screen: 2945#*#
To unlock selected CDMA LG phones: hit Menu then 0 then 000000to bring up the programing menu. Other defaults such as 123456or 654321 might also work.
Codes for the LG B1200
Bring up Simlock […]

Sony Ericsson Secret Menu: -> * <- <- * <- *
(-> means press joystick, arrow keys or jogdial to the right and <- means left.)
You’ll see phone model, software info, IMEI, configuration info, sim lock status, REAL time clock, total call time and text labels.
You can also test your phones services and hardware from this […]

On the main screen type in:
*#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.
#pw+1234567890+1# Shows if sim have restrictions.
*#92702689# - takes you to a secret menu where you may find some of the […]