Hi, quick question (I did a search, but didn't find a topic dealing with a similar enough question)? Will an O2 PAYG iPhone, bought in the UK, work abroad, with a foreign SIM (speciffically, Czech Republic, where they also have iPhones on their O2)? The idea is to buy a phone here in the UK as a gift for someone living in Prague, CZ (it's possible to buy the iPhone there, but it's much more expensive). I think the answer is probably no (at least not without jailbraking and/or unlocking, which isn't really an option as the person receiving the phone isn't very tech-savvy), but would appreciate a confirmation, and any other relevant tips or advice. Thanks!