Why will Touch ID not work on my iPad?

The iPad Air4 has a TouchID sensor incorporated within the Top (Sleep/Wake) button.

> Use Touch ID on iPhone and iPad - Apple Support

> If Touch ID isn't working on your iPhone or iPad - Apple Support

Without some idea as to your iPad model, it is impossible to provide definitive comment - but consider this…

TouchID requires a “sensor” - this sensor being built-in to either the Top (Sleep/Wake) or physical Home Button of iPad models equipped with TouchID. iPad models that feature FaceID are not equipped with a TouchID sensor - any more than models with TouchID are equipped with the forward-facing camera/sensor array that is required for FaceID.

Some very old models of iPad have neither TouchID nor FaceID.

So, which model of iPad do you have?

Identify your iPad model.

If your iPad is fitted with a TouchID sensor:

If Touch ID isn't working on your iPhone or iPad - Apple Support