iPhone screen turns dark

Recently I have encountered a problem where my iPhone screen will turn into dark like malfunction, and after I press the Lock Screen button. It operates like normal again. Is it happens to all others iPhone old models users too? I’ve just updated to new iOS 14.4.2




​[Re-Titled by Moderator]

Posted on Apr 13, 2021 6:22 AM

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Posted on Apr 13, 2021 7:40 AM

At 70% the battery certainly needs replacing. Here's some useful info & advice:


About genuine iPhone batteries


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iPhone screen turns dark

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