Can’t sign in my Apple ID
The device blocked because I wrote the Apple ID to many times I need your help to unlock my iPad
iPad Air, iOS 12
Question marked as
If the passcode has been entered wrong too many times, you will have to erase the iPad and set it up again.
Have a look at the related article:
If you forgot your iPad passcode, use your Mac or PC to reset it - Apple Support
If this is about the Activation Lock, check the steps here: