Question 1 of 23 about Touch ID/ Fingerprint Scanner
What are Touch ID and Fingerprint Scanner?
They’re both services that let you log in to apps using your fingerprint (Touch ID on Apple devices, Fingerprint scanner on Android devices). Once you’ve registered your fingerprint on your device, you can sign in by touching your finger or thumb on the home button.
If the scan matches the profile, your device will unlock. You can always use your passcode instead, if you want to.