I see people posting about random reboots, but mine isn't random. It happens every time I stream music via the Amazon MP3 Cloud. I have the phone in my car plugged into the cigarette lighter charger and I'm streaming music and playing it via the headphone jack plugged into my car stereo system. I have the screen set to sleep at 10 minutes. So, it seems to go to sleep after 10 minutes and then the music stops and the phone reboots. It seems to do this every single time. I have a stock phone. Any ideas of things to try? Maybe I should try a different cigarette lighter adapter but I doubt that will make a difference. Is there any way to keep the phone from sleeping? Maybe that will fix the problem too? Thanks for your help and time...