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The app cannot find my lock?<br>--Please reset the lock by pressing the setting button on the interior knob until you hear a beep. Then, re-add the lock to the app.<br><br>What thickness of door is suitable?<br>--Suitable for 30-55MM<br><br>How to achieve remote control of door locks?<br>--You need to purchase a gateway suitable for TUYA smart and add the gateway on the APP to remotely control the door lock.<br><br>Why can any fingerprint and password be unlocked?<br>--The door lock is in the initial state before a user is successfully added. At this time, any fingerprint can be unlocked. Once the user is successfully added, this problem will not occur.
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