Sony Xperia M4

Forum discussion tagged with Sony Xperia M4.
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    Solved! Phone Display turns off and on randomly

    I recently adquired a Sony Xperia M4 Aqua, and all seems to be alright, it has had no repairs and never been dunked into water before, so a week ago I found that the phone screen had gone black, at simple view you could tell it was on. I pressed the power button a few times and it seemed to lock...