I'm actually having the same problem recently with my phone. It displays 3G, but doesn't connect; it's acting as if my data connection has been turned off. I've tried everything; even a factory reset. I've called customer service; all those dumbasses say to do is erase my history. The first time I called, they told me I had reached my data limit; ok, this would make since if I had the $30 plan, but I don't, so they remain to look like a bunch of fucking idiots. If I hit my data limit on an unlimited plan, wouldn't that be considered false advertisement? When I renewed my plan, it still wouldn't work. So I ask for answers, please.