![]() ![]() ![]() The phone identifies the subscriber by transmitting the International mobile subscriber identity (IMSI) number, which is stored on a SIM card that can, in theory, be transferred to any handset. However, the IMEI only identifies the device and has no particular relationship to the subscriber. This renders the phone useless on that network and sometimes other networks, even if the thief changes the phone's subscriber identity module (SIM).ĭevices without a SIM card slot or eSIM capability usually don't have an IMEI code. ![]() For example, if a mobile phone is stolen, the owner can have their network provider use the IMEI number to blacklist the phone. GSM networks use the IMEI number to identify valid devices, and can stop a stolen phone from accessing the network. It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by entering *#06# MMI Supplementary Service code on the dialpad, or alongside other system information in the settings menu on smartphone operating systems. The International Mobile Equipment Identity ( IMEI) is a numeric identifier, usually unique, for 3GPP and iDEN mobile phones, as well as some satellite phones. ![]()
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