If your iPhone is showing a black screen that never goes away, you should try resetting it or putting it into recovery mode.
Before trying any fixes, it is better to try some preliminary or basic fixes, as sometimes the problem occurs due to a minor glitch. Check your cable connections. Make sure that the cable connections ...
When you're sure nothing is blocking your iPhone's camera, you can fix it in 6 ways when it has a black screen. Try them and ...