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Furthermore, is IMEI GSM or CDMA?
By default, Sprint, US Cellular, and VerizonuseCDMA for their phones, while AT&T, Virgin Mobile,andT-Mobile use GSM.
Simply so, what is GSM IMEI number?
An IMEI number is a globally unique 15digitnumber assigned to all cellular devices, whichidentifiesyour device within the mobile network. We can usethisnumber to block a mobile phone from being used byanotherperson or phone company if it has been lost orstolen.
The IMEI (International Mobile EquipmentIdentity)number is a unique set of 15 digits used onGSM phonesto identify them. Because the SIM card is associatedwith the userand can be swapped from phone to phone, a method isneeded to keeptrack of the hardware itself, and that's why theIMEI wasdeveloped.