
From the Settings app, scroll to and tap Security & privacy.
Tap Device unlock.
Tap Face.
If you have a Screen lock set, you will be prompted to input your pin, password, or other screen lock info.
Tap I agree.
Tap Start.
Follow the on-screen prompts to capture your face.
Tap Done.
You've completed the steps!

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Learn more about our approach to privacy at att.com/privacy.