Link http://tech.yahoo.com/news/pcworld/20090702/tc_pcworld/appleadmitsiphoneoverheatingissuessortof Quote from Article: Hmmm, Apple should test this and see if it is the OS or the phone. Leaving it (the iPhone) in the car with the sun shining in, most people don't do that I'm assumming. Really most people use it at their home/apartment where is it cool inside. I think it is the phone/OS.