Use your password, PIN, or pattern
Use the fingerprint sensor
Turn off face matching
1. Go to Settings > Security & privacy > Device unlock > Face Unlock.
2. Unlock your phone.
3. Tap Delete face model.
The phone will no longer recognize your face, and the data is deleted. To turn it on again, set up face
matching again.
Fix an issue
If you're having trouble getting the phone to recognize your face:
1. Go to Settings > Security & privacy > Device unlock > Face Unlock.
2. Unlock your phone, then tap Redo face scan.
3. Be sure you are in a well lit environment. Avoid low light, strong light, and backlit environments to
ensure the face image is clear.
4. Follow the onscreen instructions.
Settings : Security & privacy : Lock and unlock phone 287