I don't know why, but it happens. I mean I'm looking through my music, and then it closes out, and goes to main screen, and freezes...I have to restart it. I had to hack it again yesterday for the 2nd time after my friend restored it, as a prank...I was in Stocks app, and it closed out without notice, froze, and had to turn it off. It happens erratically and I don't know why. Maybe when I added various apps, something got written wrong? I don't know but its kind of annoying. Any thoughts? Any ideas on what to do?