I finally got the thing back on, but it sure was a frustrating morning! Phone was fully charged (and off the charger) at bedtime. When I woke up, it was flashing a blue light (like there were notifications, etc.), but when I went to hit the power button to turn it on, nothing happened. I held the power button in for 10-15 seconds at least. Still nothing. Tried this a few times... tried not to panic... Ultimately, a battery pull did the trick... after I struggled to get the case and the back off for a bit. But I'm wondering what happened/why it seemed to just kind of "die" on me. I've had it for exactly one week, so I was a bit concerned. Here's the other odd thing. The battery was at about 85 percent. Anybody else experience this, and is there something I did wrong or could do to avoid this in the future?