Several factors will lead to loss of the fingerprint unlocking setting, such as outdated system version, temporary system bug, and hardware issues.
If the fingerprint setting is lost on the POCO F7, please refer to the following methods for troubleshooting:
1. Please update the system of your phone to the latest version;
2. Please restart your phone and go to the Settings APP to check whether there are fingerprint unlocking settings;
3. If the above methods can’t solve the problem, it will be caused by hardware. It is recommended that you back up important data and apply for the after-sales inspection.