Sorry if this was answered somewhere else but I can't find it after 10 minutes of search. We got a big Apple gift card for one of my best friends for his birthday so that he can buy the new iPhone. His birthday was in May so the wait has been killing him. He is currently a Sprint customer and he went yesterday to an AT&T store to check that everything was OK before going Friday to the Apple store to buy his iPhone and activate it. The woman there told him that it will NOT be possible to transfer his existing Sprint number to his new AT&T account at the Apple store, that this is only possible at the AT&T store... I find it hard to believe and I see quite a few people getting burned by this after standing in line for a while at the Apple store. For my friend, the problem is bigger since he definitely wants to use his gift card to buy the phone... Anybody else has more info on this? Thanks in advance !