If the smart door lock forgets the password, you can take one of the following measures to open the lock:
Use an alternate password: If you have an alternate password, you can use an alternate password to unlock the door. Different door lock brands may use different methods to set and use alternate passwords, please check your door lock user manual for details.
Use a mechanical key: Many smart door locks are equipped with a mechanical key backup unlocking method. You can open the door with the accompanying mechanical key.
Reset the door lock: If you can't unlock the door with a spare password or mechanical key, you can try restoring the door lock to the out setting. Different door lock brands may use different methods to reset the door lock, please check your door lock user manual for details.
It is important to note that resetting the door lock will erase all stored passwords and Settings and you will need to reset the door lock and add a new user password. If the above methods do not solve the problem, you may need more help from the door lock manufacturer or a professional door lock technical support team.