Lock Up

[sanmanc]

Had my first lockup this morning. When I took my Pre off the Touchstone the screen did not change. None of the buttons responded either. I left it alone thinking maybe it was doing something so I stuck it in my pocket and left. Checked it about 10 mins later in the car and ended up having to remove the battery to reset it. Everything came up just fine but it only had 70% battery life.