Originally Posted by
dfree86
Okay - cool. Called AT&T and got my old iPhone4 unlocked. Just connected to iTunes and backed it up.
By all counts - I should now be able to put a prepaid UK micro-SIM into it and use it while I'm in the UK? Hope so!
Congratulations! Yes, it should work. If you have access to a friend with a non-AT&T SIM card, it might be worth testing, but it should work. (It did for me.)