Originally Posted by
dfree86
I used to live in the UK and had a UK phone so didn't have to deal with SIMs. Here's what I'm wondering:
I'm on AT&T with a Galaxy S3 phone:
Can I just get off the plane, buy a pre-paid SIM (probably O2) with messages and data, switch it out with my US SIM - and I'm all set? I'm worried my US phone is gonna not work with the SIM or not be compatible.
Is there anything else I need to do?
Sorry for being a noob - heh.
thanks!
If your Galaxy S3 is SIM-locked, which it likely is if you purchased it from AT&T in the U.S., then you will not be able to use a non-AT&T SIM in it.
If you have had your phone for more than two years (not likely, as the S3 is not that old), you can ask AT&T to SIM-unlock it for you, in which case you can then use a non-AT&T SIM in it. If it is not yet two years old, you can search for some services online who may be able to help you (not quite legitimately) SIM-unlock the phone for you.