In order to change an existing passcode for your eufy C210 Smart Lock after it is already set up on the eufy Security app, simply follow the steps below.

Make sure you are next to the Smart Lock > launch the eufy Security app > select the C210 Smart Lock > select Manage Access at the bottom right corner of the screen > select a specific user profile > select Passcode > follow the instructions to change the passcode.

If you have any further questions regarding eufy C210 Smart Lock, please contact us for assistance.