How to use Touch ID on your iPhone or iPadTouch ID lets you have the security of a passcode or alphanumeric password while conveniently accessing your iPhone — all while using your fingerprint. You can register up to 5 fingerprints from your fingers, that of your family or colleagues, or a fellow traveler in case of emergencies — without having to give them your passcode or password. Best of all, adding new fingerprints is easy. Here's how to set up Touch ID on your iPhone or iPad.
How to set up Touch ID on iPhone or iPad
How to identify a Touch ID fingerprint
How to label a Touch ID fingerprint
How to turn off Touch ID for the Lock screen, Apple Pay, or the iTunes and App Stores
How to delete a Touch ID fingerprint
How to set up Touch ID on iPhone and iPad
You can register a fingerprint for Touch ID as part of the initial set up process on any new or restored iPhone or iPad. You can also set it up, or add additional fingers, at any time.
Launch the Settings app from your Home screen
Tap on Touch ID &...
Source:
How to use Touch ID on your iPhone or iPad
