If you can access the device via a computer on the same network, tools like Dahua ConfigTool or SmartPSS will display the SN in the device list. Method 1: Reset Using the DMSS Mobile App (Recommended)
: Take note of the current date and time displayed on the device's screen (OSD), as the security code is date-dependent. dahua password reset by serial number
Warning: This requires intermediate networking knowledge and will void warranties. If you can access the device via a
This method is common for older recorders where you do not have a recovery email pre-set. Gather Device Details: serial number (found on the physical sticker or login screen) and the exact date currently displayed on the recorder's screen. Contact Support: Email these details to your regional support, such as Support.USA@Dahuatech.com support@dahuasecurity.com Enter Security Code: This method is common for older recorders where
) including the full serial number, model number, and the exact date shown on the device's screen. Wait for Code: