To keep your phone secure, use a screen lock when it goes to sleep:
You can customize the lock screen by adding your contact info. You can also control which notifications appear on your lock screen.
Quickly and easily verify your identity using the fingerprint sensor on your phone, instead of entering a password, PIN, or pattern to unlock the phone, make online and in-store purchases, and sign into banking and financial apps.
You can add and remove fingerprints.
Fingerprints: