FixFix Labs
    Phones
    security

    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. 1

      Clean the sensor

      Clean with a soft cloth.

    2. 2

      Dry your hands

      Wet fingers won't register.

    3. 3

      Restart the phone

      Fixes biometric glitches.

    4. 4

      Re-register biometrics

      Delete saved data and set up again.

    5. 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 Common

    Oils and dirt block proper reading.

    Wet or damaged fingers

    Common

    Moisture changes fingerprint patterns.

    Software glitch

    Common

    Needs restart or re-registration.

    Screen replacement

    Less Common

    Non-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.

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