and change the admin password using the security code as your "old password".
Warning: Resetting device passwords can cause downtime and potential loss of access. Only proceed if you own the device or have authorization. dahua password reset by serial number
on your device’s login screen. A security code will be sent instantly to your registered recovery email. Once you regain access, set up Security Questions and change the admin password using the security
Found on the sticker on the bottom/side of the device or via the ConfigTool software. dahua password reset by serial number