what is device imei number
The IMEI (International Mobile Equipment Identity) is a unique number to identify GSM, WCDMA, and iDEN mobile phones, as well as some satellite phones.The IMEI is only used for identifying the device and has no permanent or semi-permanent relation to the subscriber.Number is used by the GSM network to identify valid devices and therefore can be used for stopping a stolen phone from accessing the network in that country.he IMEI is only used for identifying the device and has no permanent or semi-permanent relation to the subscriber. Number is used by the GSM network to identify valid devices and therefore can be used for stopping a stolen phone from accessing the network in that country.