AT&T completely lying when it wants to get your money! They have been overcharging us data a plan fee every single month because according to them, "your sim card is being used in an iphone." This is regardless of the fact that: 1. We sold the iphone back in 2010 2. The sim card is sitting on my daughter's desk because she is travelling abroad and has no need of AT&T sim 3. The monthly bill clearly shows no activity for this phone line. 4. The original iphone was purchased legally unlocked through Apple Hong Kong... read full review »