I've noticed on a couple of occasions while powering off, the confirmation pop up ("this will power off your device") screen comes up but occasionally another window comes up behind it that says something about rebooting, but I can't read it since the phone shuts down soon after. It doesn't happen all the time, and when I turn it back on everything is fine.

Also, last night I went through two or three reboot cycles while experimenting with some APN and other settings (as seen in the LTE on AT&T thread) at one point
I powered device on, and it appeared to get stuck on the Google screen and the screen was very dim as though it locked up. After the screen went blank I hit the power/wake button and again every thing was fine.

I don't know if this is something to worry about, or if it was just an anomaly? Can doing multiple power off/on cycles cause any harm?

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