So I saw that one of my apps had an update available yesterday, which I decided to install. While it gave me the install meter under the icon, I wondering how powerful the iPhone was and if it could (or would let me) play a game at the same time...so I powered up a game. About 2 minutes into it, my iphone locked up. So I held down home and the power button and it no longer turns on. I get to the Apple logo...but that's it...it sits there then just vibrates twice in a row...and then just sits... I've turned in on/off multiple times now and even let it sit at that apple logo overnight thinking that it may be on when I returned this morning...now I'm stuck with a non-working cellphone and I've got to leave for work... Any ideas?