After updating to 2.1, I lose my data connection about once or twice a day. No visible notification but the EV symbol at the top of the screen will always be "lit up" w/ the upload/download arrows showing no activity. I always have to switch the airplane mode on for a second and turn it back off. I have bluetooth automatically connect to my car when I'm in it and don't know if that's what is causing it??? Anyone else having this issue and finding a cure? I updated PRL as well as firmware, but no luck.