Face ID / Fingerprint Not Working
Quick Answer
Biometric issues are usually caused by dirty sensors, wet fingers, or software glitches.
Please note: This guide is provided for informational purposes only. Any steps you choose to follow are at your own discretion and risk. If you're unsure, we recommend booking a professional diagnosis.
Quick Checks
Try these fast checks first — they solve most cases.
- 1
Clean the sensor
Clean with a soft cloth.
- 2
Dry your hands
Wet fingers won't register.
- 3
Restart the phone
Fixes biometric glitches.
- 4
Re-register biometrics
Delete saved data and set up again.
- 5
Update software
Biometric improvements come in updates.
Guided Troubleshooting
Answer these questions to narrow down the issue.
Does it fail every time or intermittently?
Was the phone recently repaired?
Possible Causes
Dirty sensor
Very CommonOils and dirt block proper reading.
Wet or damaged fingers
CommonMoisture changes fingerprint patterns.
Software glitch
CommonNeeds restart or re-registration.
Screen replacement
Less CommonNon-genuine screens can disable Face ID.
If the cause requires professional attention, see Phone biometrics repair.
Self-Fix Instructions
Safe steps you can try at home.
Re-register biometrics
1. Go to Settings > Security. 2. Delete saved biometrics. 3. Clean the sensor. 4. Set up again from scratch. 5. Register at different angles.
Safety Warnings
- If Face ID stopped after a screen repair, the screen may not be genuine and Face ID may be permanently disabled.
When troubleshooting isn't enough
If these steps didn't resolve the issue, a professional diagnosis can identify the root cause.
FixFix Labs is not responsible for pre-existing data loss or undisclosed damage.
All repairs carry inherent risk. Complex or liquid-damaged devices may have unpredictable outcomes.
By proceeding, you acknowledge these terms. Full details in our Terms of Service.
