Why is a deleted code working?

Question:

Why is a deleted code working? A passcode that does not appear in the "passcode" section of the app can still be used to open the lock. 

Answer:

There may be a display error within the app. Follow these steps to help fix this:

1. Go to "Lock settings".

2. Go to "Upload Data".

3. Tap on "Start" to upload the lock's data.