I have new Droid 2. The Hot Spot feature only lasts about 5 minutes and disconnects. What a pain. The MiFi went forever. What gives? Also, on the road, the automobile package hookup with power from the in-car power source charges the window-mounted Droid 2 GPS for about an hour or two and then the power starts to discharge. Phone has to be power-recycled to start getting power again. I suspect an over-heating problem. Thoughts?