Samsung galaxy s6 edge + - Unknown Sources

Fingerprint Verification
Fingerprint verification can be used for other accounts
accessed from your phone.
1. From a Home screen, tap Apps > Settings.
2. Tap Lock screen and security > Fingerprints.
•
Verify Samsung account: Verify your identity
using your fingerprint when logging in to your
Samsung account.
Unknown Sources
Enable installation of non-Google Play applications.
1. From a Home screen, tap Apps > Settings.
2. Tap Lock screen and security >
Unknownsources to enable this option.
Warning: Enabling installation of third-party applications
can cause your device and personal data to be more
vulnerable to attacks by unknown sources.
Settings
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Lock Screen and Security