You can backup your iPad to iCloud or your computer through iTunes with these simple steps.
Recovery Mode: Connect iPad to a computer > open Finder (Catalina or later) or iTunes > restart > Update from the recovery screen. If you don't have access to a computer, use iCloud to wipe the iPad ...
If your iPad says it's disabled, you'll need to connect it to iTunes or Finder to restore it. The exact steps will depend on which iPad model you own.
Get things working again if your iPad is stuck, frozen, or won’t update This article explains how you can force your iPad into Recovery mode if it's locked or stuck at the Apple logo. This resets the ...