Forgot my pin
How do I open my iPad I don’t have a computer
iPad Air 2, iPadOS 13
Question marked as
If your iPhone or iPad has iOS 15.2 installed, see: How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support
If that option is not available, you will need to use a computer. See: If you forgot your iPad passcode - Apple Support including the following:
If you don't have a computer and you can't borrow one, you need to go to an Apple Store or Apple Authorized Service Provider for help.