Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Houston AT&T cell service had been down for me the past 3 days, shows 2-4 bars, but data didn't work. I just tried the Airplane mode for 10 seconds, and now I am back in business; glad this thread is still around!
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.