Open the Settings app on your iPhone or iPad and go to (Your Name), or “iCloud.” nScroll down until you find “Delete Account” (or “Sign Out”) and tap on it.
To reset your iPad to the factory settings, go to Settings > General > Reset and choose Reset All Content and Settings. For a new owner or when nothing else works, resetting an iPad to its factory defaults cleans it from all your data and settings. When you finish, everything is restored to how it was when you bought it.
Tap the Mail icon on your Apple iPad’s Home screen. Settings, Mail, Accounts, and so on should be visible. If they aren’t, go to step 4. Tap Delete Account. To finish deleting your account, tap Sign Out or Cancel Delete Account… Confirm by tapping Sync. Remove the email address you want to remove from My iPhone
Log into Apple’s Data and Privacy website using your Apple ID. … Click the link to Request to delete your account under Delete your account. Select a reason for deletion from the dropdown menu, then click Continue on the new screen.
This is a hardware issue, and there’s nothing you can do about it. iOS and iPadOS users typically sign in with only one Apple account and utilize it across all their devices, so the ceiling is out of your reach.
