My Samsung Illusion (on Verizon) worked fine for the first 6 months. But recently, it turns itself off regularly. Sometimes several times a day. I'm not saying that it goes into sleep mode; I'm saying it turns itself completely off. And when I eventually discover that it has turned itself off, I have to power it back up. This happens even when it's sitting on a table, so it's not being caused by the power button inadvertently being pushed in my pocket. I have done some searching online, and it appears that a number of Samsung Android phones suffer from this problem. Does anyone know what is causing this? Could it be turning itself off because it gets too hot?