#15 it won't work, your sim is registered to your iphone, once you put it on another iphone it should complain, it would probably ask you to register again, and if it does happen to work, you won't be able to use 3G so you would be the same as your first iphone.

Will apple work with verizon? Their phones are like legos.

Read what Consumer Reports has to say about AT&T before signing up.

phone is good, but the att customer services so rude.

hmmm..so tempting to get one now. I bought one for $600 back then and kind of like using it.