Yes that has happened to me. I fixed it by pressing volume up or down button several times. It is some safety feature or something, scared the sh!# out of me too lol especially since I had done a factory reset right before.
Ahhh that makes sense. Im liking it till now.
I have used to it for few hours. One thing I came across was that the search history is completely black. I dont know if its only a problem with mine. For example, when i use google maps and I want to...