Why is my iPhone 8 plus screen dim?
Hello everyone ,
So I bought a used iPhone 8 plus from ebay but when I power it on I noticed the left corner of the screen looks dim so should I buy screen replacement or could the motherboard be damaged?
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This is a faulty component on the backlight circuit. It is becoming an increasing problem with the 8 plus. Usually it is a small resistor which has failed causing the screen dimming in that exact place.
You will need to find a repair shop that does microsoldering. It will be a fairly cheap repair.
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You can put a new screen on and test. If the screen remains half backlight, then it’s a logic board problem.
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