Answer:
Step 1: Please check that the square hole of the latch is horizontal and not inclined.
Step 2: Please check if the latch is damaged. If the latch is damaged, please contact us to send you a new one to replace it.
Step 3: Please reinstall the smart lock and make sure the lock is not skewed.
If the issue still cannot be solved after following the above steps, please contact us by our after-sales email: support@yamiry.com