I have an iPhone 4 that's currently on AT&T. My 2-year contract will be fulfilled in January, and at that point (if possible) I'd like to switch my service to Straight Talk or some other less ...
Moving to Austria in two weeks. AT&T is going to unlock my phone for me before I leave since my contract is in good standing with them. Will I be able to use my iPhone 4 with European carrier sim ...
Besides working on their respective carriers, what are the similarities and differences between the AT&T iPhone 4 and Verizon iPhone 4?