Can’t remember my password for my ipad
I can’t remember the password for my iPad. What do I do?
Your ONLY option is to reset the device (completely erasing it) and restoring from a backup.
You WILL need your AppleID credentials.
Procedure is linked below.
How to remove your iPhone, iPad, or iPod touch passcode without a computer - Apple Support
Note: If your iPadOS is earlier than 15.2, you’ll additionally need a computer and a cable to to follow the instructions linked near the bottom of the article.