“Is this phone GSM or CDMA? How can I tell? Also, is it compatible with SIM cards from most US phone companies like T-Mobile, Sprint, at&t, and Verizon?”

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• Both CDMA: BC0,BC1,BC10 GSM: B2,B3,B5,B8. It works with all major US carriers.

  Answered by Jack 7 years ago

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• Yes it is GSM.. it is compatible with T-Mobile and AT&T for sure.

  Answered by mztia2u 7 years ago

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