Hi, At the moment I'm abroad with my iPhone. I want to be able to use a UK SIM, but I have a couple of questions. 1, Do I have to have to Jailbreak my iPhone in order to use and SIM? or am I able to just unlock it? 2, I have my Laptop with me, but my iPhone is backed up from iMac at
home (Music, Photos etc) Will I lose all of this when Unlocking my iPhone? 3, Once I'm ...