Screen goes white after it was switched off, otherwise phone works
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I replaced the rear cover and now have a problem with the screen.
If i turn the phone on, the apple appears and i can use all functions, but after the screen gets black it comes back all white. The phone is still functional.
I already tried a hard reset, but the still occurs.
It seems that the Problem first occurred after the light sensor switched the screen off, but now i happens every time.
Any advise what i should do next?
I don't have an spare screen.