What to do if the fingerprint of the Xiaomi Self-Install Smart Lock does not work properly?

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If the fingerprint of the Xiaomi Self-Install Smart Lock does not work properly, please refer to the following information:
1. The fingerprint function of the lock supports ages 7 to 70, but recognition performance varies depending on fingerprint development and wear.
2. If a fingerprint is still difficult to use even when intact, it is recommended to re-enroll with a new fingerprint. During enrollment, try to maximize the coverage area, and when unlocking, use the same area that was recorded.
3. Ensure fingers and the sensor are clean and dry, as dirt, sweat, or moisture can reduce recognition accuracy.
4. Ensure the lock firmware is up to date via the Xiaomi Home App, as updates can improve sensor performance.
5. If the problem continues, try resetting the lock and re-enrolling fingerprints to ensure a fresh start.
6. If the issue still persists, please contact after-sales service.