IMEI (International Mobile Equipment Identity). This is a 15-digit unique number that verifies the identity of GSM, WCDMA, and iDEN mobile phones and also some satellite phones. Every phone has just one unique IMEI number, except phones with dual SIM, these devices have two IMEI numbers.
IMEI number is used to identify the device and has no permanent or semi-permanent relationship with the owner. GSM network is using IMEI to identify devices. This unique number can be used to stop a stolen phone from accessing the network in that country.
Is a few ways to find the IMEI number. You will be able to check IMEI by using following methods:
When you find your unique IMEI, then get into IMEI.info website to get access to the full specification of your device and use many features designed especially for your smartphone.