Go to OSX Daily to read Fix Wallpaper Showing as Black Screen on iPhone or iPad
Some iPhone and iPad users have noticed that their wallpaper is showing up as a black screen on the Lock Screen or Home Screen, rather than the wallpaper image they intended to display. This can happen at random, and the wallpaper black screen can also appear when attempting to change the wallpaper on the iPhone or iPad.
If you’re seeing a plain black screen instead of the photo you’d like to see as your wallpaper on iPhone or iPad, you’re not alone, but fortunately this is a pretty easy fix.
The black screen wallpaper problem seems to happen most often…
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