bobjbkln wrote:
If the problem is black on black, how do I fix it. In Wallpaper/ Customize I tried selecting Default, but it changed nothing. The home screen wallpaper is set to light blue, but the folder background (when opened) is still black. How do I change the color of the folder background or change the font color so it's not black on black?
Because I don't remember ever seeing it I can't offer a remedy except remove any non standard customisation you may have installed.
Check you have no Accessibility overrides like enhance contrast etc
Resetting all Settings is a possibility.