How to add new fingerprint to ipad

- How to add fingerprint to ipad
- How to add fingerprint to ipad air
- How to add another fingerprint to ipad
- How to add fingerprint to ipad mini
- How to add fingerprint to ipad air 2
- How to add fingerprint to ipad 10
- How to add fingerprint to ipad pro
- How to add fingerprint to ipad air 5
- How to add second fingerprint to ipad