Sprint/AT&T One on VZW?

[agp423]

Can Sprint or AT&T HTC One be used on Verizon by simply swapping in the Verizon SIM card? Or do I have to unlock the device first? What about vice versa?

 

[DINGSTER1]

Neither can be used on Verizon. Newer Verizon phones can go to AT&T or Tmo but not Sprint


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