Kircensan. ,
I had a similar situation, only the camera did not open at all, here the sex of the clever forum was thought that I was joking. Up to the point that we wore the service opened it and checked the camera.
With the firmware, I just did not do, I wrote into technical support, you were going to be able to connect to the phone and watch what happened.
In general, the result is what, the first time was helped by flashing through the adba completely creating all sections from scratch, the second time this bug appeared in two weeks, I did nothing, myself passed two days later.
Already a month I use this bug does not appear. And from where he was taken by the riddle of the puzzle.