LG v20 User Manual page 53

Fingerprints & security settings
The Fingerprints & security settings include managing fingerprints
(recording, naming, removing, etc.), setting content lock, encryption, SIM
card lock, password visibility, phone administration, credential storage, trust
agents, Screen pin, and app usage access.
Tap Fingerprints, then enter your unlock sequence to manage your

stored fingerprints, enable screen unlock with your fingerprint, enable
content access with your fingerprint, and enable available payments.
If your phone doesn't have a default payment app, go to Play Store and search for
NOTE
available payment apps.
The Basics
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