1. AC Question's Avatar
    Recently i tried to clean up proximity sensor because it didnt work well when i assembled back the phone and switched on i typed my pin and when i tried to unlock the phone and every time i try to unlock the phone my screen goes black like i pressed the lock button again, only when someone calls me the screen will turn on and display the caller so i can answer and the proximity sensor works normal but if i press the home button again the screen goes black, if i try to open the settings from the slide down menu screen goes black i cant explain what is going on is there any possibility that mainboard may broken?
    07-16-2016 09:32 PM

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