Galaxy S9/S9+: How to register Intelligent Scan?
Step 1. On the Settings screen, tap Lock screen and security.
Step 2. Tap Intelligent Scan.
Step 3. Unlock the screen using the preset screen lock method. If you have not set a screen lock method, create one.
Step 4. Read the on-screen instructions and tap CONTINUE.
Step 5. Register your face and irises. When an intelligent scan unlock screen appear, tap TURN ON to use your face and irises to unlock the screen.
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