At times, the IMEI number is required for several reasons - getting security clearance or even simply mailing across the handset. One of the major uses of the IMEI number is to avail repairs if the handset is under warranty. Follow this simple guide to find out the IMEI number of your mobile.
Open the Dialer interface - the one in which numbers are to be entered for making a voice call.
Enter or key in *#06#
You will be shown a ten digit IMEI number of the handset. Take a screenshot or note it down in a diary to keep it safe and handy.
The IMEI number is also used to trace the location of lost or stolen handset by the network operator.