I have a prepaid sim label from att, as well as I’m meditative about shopping an IPhone from a friend. we wish to know If we can only put my prepaid sim label in to a Iphone, as well as would it work? will a charges stay a same?

Related solution post:

1. can the att iPhone 3g(the new ones) be prepaid on att?
2. Can i get prepaid on an att iPhone 2G(not the new ones)?
3. how do I get the Iphone prepaid?
4. Can an att iphone 2G(not the new 3G ones)…be prepaid on att?
5. Tmobile prepaid plan on unlocked 2G iphone?