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Orijinal gönderinin sahibi: The iPhone Guy ,

Metin:

It sounds like your backlight ic chip on your motherboard has failed.  Try and shine a flashlight at the screen to see if you can see anything on the screen.  It is not very common but more common when using lower quality screens in replace of the original screens.   If not backlight, then you would need to take to a professional to get repaired.

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