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First I noticed that my Lock button doesn't work anymore. When I press it, nothing happens. I thought it's a bug or something so I flashed different Roms but the problem still exists...
it is not a hardware problem, because i can hard reset my device normally.
When the phone goes to stand-by mode, it stays off for one second and then it turns the screen and backlight back on. That runs my battery out quite quickly.
I have searched forum for this problem, but did not find any answer.

Is there a solution for this??