Issue Description
Face Unlock fails to recognize your face or stops working entirely.
Common Causes
- Poor lighting conditions
- Camera permission blocked
- Corrupt biometric data
Step-by-Step Solution
Step 1: Check Camera Permission
- Settings → Apps → Face Unlock / Biometrics
- Allow camera access
Step 2: Re-Register Face Data
- Delete existing face data
- Re-add face in good lighting
Step 3: Restart Phone
- Resets biometric services
Step 4: Update Android
- Fixes Face Unlock bugs
Explore Further
- Use fingerprint as backup
Prevention & Best Practices
Avoid changing appearance drastically.