Set Up Fingerprint Recognition - Samsung Galaxy S6 edge +
A fingerprint is utilized to unlock the device. For the fingerprint scanner to operate, hands must be clean and free of moisture, dirt, oil, lotion, dyes, etc.
Up to three fingerprints can be registered on the device.
From a Home screen, navigate: Apps > Settings > Lock screen and security.
If prompted, enter your password then tap NEXT.
From the "Register fingerprint" screen, follow on-screen instructions to register fingerprint (as shown in the on-screen tutorial).
Place finger on the home key and then lift off.
Percentage indicates completion progress.
Tap TURN ON to enable fingerprint lock.
You can also use an alternate Phone lock option.
If prompted, enter an alternative password (4 -16 characters) then tap CONTINUE.