I have a OnePlus 7pro that I've had for a year or two. Generally it's fine, although it can run a little slow sometimes and also overheats if I'm using several apps. But recently, I think since the most recent update to OxygenOS 12.1, the selfie camera no longer works. I've tried all the suggestions I could find online apart from doing a factory reset which I don't want to do, but nothing works.
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