What i mean is what are the chances of an iPhone that works on multiple networks? The iPhone 4S was really great because you could buy the same hardware model unlocked and use it on AT&T, Verizon or Sprint since it had the necessary radios for all. I know the iPhone 5 had to break this up to support LTE, so I'm wondering if LTE radios have improved to the point where at least I could buy an unlocked one and switch between AT&T and Verizon (namely the prepaid Aio-like services) if I chose. Otherwise the portability isn't worth much if I'm stuck on just AT&T or Verizon. I'd like to try out Aio, but I'm still worried about how bad my AT&T 3G signal was out here.