Originally Posted by
Frosty1
I will be going to Italy in December and just got a new iPhone 3Gs with AT&T
can the Sim card be replaced with one in Italy so don't have to pay the crazy high Roaming fees.
I got is so wont have to always carry my laptop.
If you got if from AT&T it's locked to AT&T. The only way to use a foreign SIM is if the phone can be jailbroken and unlocked. If it has the most recent firmware i.e. iOS 5 you probably cannot unlock it.