I went to the AT&T store yesterday with a printout showing the unexplained data usage. They tried to tell me that the timestamp isn't when the data was actually used, and just when it finished downloading. Funny that all the timestamps for phone calls and text messages are accurate. Even then, it would only take a few seconds to DL something that's 42mb. I called them out on that and they said there must be something wrong with my phone, and when I asked them if I could get a replacement (since I've only had mine for about a month) they said I don't need one? Da ****?