I used my upgrade to get my wife the iPHONE 6S Plus (grand fathered w. 2 year contract) anyways i was wondering since i used my upgrade how can i activate the phone with her number? Do i just switch out the sim? or do i call AT&T or go to an AT&T store? She is going frmo 5S to 6S.
t.i.a.
t.i.a.