I have the iPhone too and use myAT&T app, it works fine for me, I'm sorry you guys are having some issues. Try doing a reset by holding your power and home button at the same time for 10 seconds.
Dmitriy
I have the iPhone too and use myAT&T app, it works fine for me, I'm sorry you guys are having some issues. Try doing a reset by holding your power and home button at the same time for 10 seconds.
Dmitriy