IMEI (International Mobile Equipment Identity) Number

IMEI  is a unique number given to every cell phone.....

There are 2 ways of checking your Cell Phones IMEI number
1. By dialing *#06# ( NB: doesn't work on all phones )

2.By removing the battery of your phone , the IMEI number is usually written behind the battery ( on the part of the phone where the battery is placed ) but not ON the battery.

Picture from http://omleo.blogspot.com/2009/11/imei-number-how-to-read.html

Some Benefits of IMEI include
** It is needed when you are unlocking and decoding your phone so that you can use it on different carriers

** In case your phone is stolen , you can use it to Lock the phone