I know I’ve mentioned before that when the temperature drops below -10 the heat from my hands is sometimes not enough to keep my phone working and that it can stop running. Officially, the iPhone needs to run between -4º to 113º F. I learned this the hard way (I tend to learn most things the hard way, I like to think of it as a trait, or something like that) when I left my phone sitting in my car. Not only does it get cold as all getout in Minneapolis, but it can get pretty hot as well. And as with any location in mid-summer, if you leave your…