I'm sure this gets asked a lot, but I couldn't find an answer. I have a UK iphone 5 (A1429) and I'm currently in the US and trying to figure out which network (if any) it will work on for LTE. Looking here (http://www.apple.com/iphone/LTE/) it seems like I have no chance, however when I look on the AT&T website (http://www.att.com/esupport/article.jsp?sid=KB113269&cv=820#fbid=7oVMIUitacC) it suggests that I need a device which works on 700/850/1900MHz bands, and the apple website says that my device does in fact work on 850MHz. So, I'm not sure which to believe (and I'm pretty sure I've roamed over here on AT&T and got a 4G signal). Anyway, can someone shed some light on this?