When I first got my Vibrant a week after launch date, I noticed most people would tell me they had been calling me but I never received the call. Sometimes they said it would go straight to voicemail, sometimes it would ring and ring and ring with no answer and voicemail never coming on. Some times I wouldn't get text messages either, or just get the text messages hours after it was sent. I ended up having to switch to Edge, which I really don't like because it's so much slower in my area than 3G. I know 3G is not what carries phonecalls, and that it shouldn't really matter. But my girlfriend and I both bought a Vibrant the same day, and we both have the same problem. She has gotten her Vibrant exchanged for a new one about a month ago since it ended up having a problem with the SD Card, and I had to get my Vibrant replaced a few weeks ago as well because my first one was lagging like crazy, and freezing. Either way, we both have new Vibrants now and they work perfectly software wise, except we still have the issue with most incoming calls not coming through if we are on 3G. We still have to have them set to Edge/2G and incoming calls or texts are never a problem. Just wondering if anyone out there has had the same problem and if you have been able to fix the issue, how so? P.S. Neither our Local T-Mobile local store or T-Mobile customer service has been able to offer any help of have any idea of this ever being an issue that they ever heard of.