I apologize if there are countless posts about this as to I could not find the info I was looking for. I have a Sprint iPhone 4S that I want to use on AT&T. Apparently it is possible and went ahead and requested a COMPLETE unlock code from sprint (not an international unlock) after AT&T to

I'm with straight talk and I have a iPhone 4s ( old ) but I'm hooked up to virison and I don't get a signal where I live but no more than 300 yards from my house their is a cell tower but it only has att on it can I change my iPhone over to att rather than version

Do those of us who've been grandfathered in to the unlimited data plan get the Mobile Hotspot functionality on the 4S, or would we have to switch to a capped data plan? One site said "included with 4GB plans and above" so I wasn't sure. Thanks!

Hello: I am sure this has been covered, but besides removing the sim card and completley erasing the phone, is there any other steps I need to take before handing the phone over to someone else?  Thanks.

My wiife and I each have a iPhone 4S, both on the 4G network.  She has no problem connecting to our Micro-Cell, but mine won't connect.  I've read that Micro-Cell only works on 3G, but hers works on 4G, so I'm assuming the M-Cell can now function with 4G???  Restarted Micro-Cell and both phones seve