Recover 4 digit iPad login
How can I recover the 4 digit access code to open my iPad?
Question marked as
You cannot.
If you no longer remember the passcode, you will need to restore the iPad to remove it. See here: link-> If you forgot your iPad passcode - Apple Support (this requires a computer)
If you have a iOS device running iOS 15.2 or later you can erase it without a computer but you will need your Apple ID and Password: Link-> How to remove your iPhone, iPad, or iPod touch passcode without a computer - Apple Support