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Passing down AT&T Lumia 640
I have used my Microsoft Lumia 640 on T-Mobile (purchased from AT&T), and now would like to pass it on to a relative. I have completed the factory reset successfully, but would like to know what he would have to do to active it when he gets it. Not sure what network he is on. Either Sprint or Verizon. Thanx in advance
ACE - Professor
6 years ago
The Lumia 640 purchased for ATT uses the GSM network. Verizon and Sprint uses the CDMA network so it is not compatible with these networks.