Phone "Touch ID / Face ID" Not Working
4.5
The phone won't recognize your fingerprint or face, forcing you to use your passcode.
Symptoms
- Biometrics failed
- Error message
- Cannot set up
Possible Causes
- Dirty sensor
- Screen replacement (non-genuine)
- Hardware failure
Step-by-Step Fix
1
Clean the Sensor/Camera
Wipe the fingerprint scanner or the front camera notch.
2
Re-register Biometrics
Delete your old face/fingerprint and set it up again.
3
Check for Software Updates
Ensure the OS has the latest security patches for biometrics.
When to See a Technician
Biometric sensors are cryptographically paired to the motherboard; if they break, only an authorized repair center can fix them.
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