after unlocking it everything was working fine. Turns on/off makes calls, Internet-everything.

in the middle of the night I wake up with the phone lit up (I turned it off before I went to sleep)

I try to power it off and it seems to shut down then it after the screen goes black it re-boots. It wont stay off

So I try to just lock the screen and let it stay dark but every 2 minutes after it is locked it lights the wallpaper for 30-45 seconds.

has anyone had this problem? How can I fix this?

I have the latest 2.2.1 on a 8GB non 3g phone