Click Modify next to the Admin Username, check the box for "Modify Password," and enter the same support code in the Old Password field.
Depending on your model and region, there are two primary ways to use your serial number for a reset: Method A: Contacting Technical Support (Official Way)
Linking a recovery email allows for instant resets via the DMSS app. dahua password reset by serial number
Create and confirm your new password, then select Save to complete the reset process.
If your device was provided by a specific service provider (like a security firm), their custom firmware might disable these reset methods. In that case, you must contact them directly for an unlock code. Click Modify next to the Admin Username, check
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
Copy the from the email, type it into the input box on your Dahua login screen, and click Next to create a new password. If your device was provided by a specific
Use your phone's camera to scan the QR code displayed on the monitor/browser reset screen.
