I'd suggest that you call AT&T to verify, concerning buying prepaid cards. I'd be guessing that that would work for any AT &T phone but CALL THEM TO VERIFY. THEY ARE QUICK TO ANSWER CALLS. I HAVE NO IDEA ABOUT THE SIM CARDS, AGAIN CALL OR STOP INTO ANY AT&T STORE, IM SURE THEY CAN GIVE YOU A QUICK ANSWER. I FIND THEIR PEOPLE FAR MOVE PERSONABLE THEN VERIZON.