I have a iphone 4 activated by another sim, I wanted to get a cheap att plan and use it with the iphone. will it work? I will cut the sim or get the number put on the stock micro sim.
well right now its all activated and i can use everything, i cut up a blank att sim and it says no service which means it didnt decline it like it would a t mobile sim
Sure, you can use an AT&T SIM to activate an iPhone, but it wont give you service if its not unlocked. Locked iPhones to AT&T only work on an actual iPhone specific plan. A prepaid iPhone plan would work, but not a standard prepaid plan. Whether AT&T or not, in your case youd need to unlock.