Connect the iPad to a computer with a USB cable
Open Finder on Mac or iTunes on Windows or older Mac
For iPad with Face ID:
Press and quickly release the Volume Up button
Press and quickly release the Volume Down button
Press and hold the Top button until the recovery mode screen appears
For iPad with Home button:
Press and hold the Home button and the Top button at the same time
Keep holding until the recovery mode screen appears
Release the buttons when you see the recovery mode screen
Keep the iPad connected to the computer until you finish restoring or updating it