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How Do I Know If My Sim Card Is Gsm Or Cdma? [Solved]
If your phone has an MEID or an ESN number, it’s CDMA. If you see an IMEI number then it’s GSM. If you see both, then your device supports both technologies (lucky you!).
Easiest Way to Tell if Your iPhone is GSM or CDMA
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How do you tell if your phone is CDMA or GSM?
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CDMA vs. GSM: What’s the Difference?
Two basic technologies in mobile phones,
