Modern Dahua devices use a secure XML file or QR code export system for safety. Open and go to the Device Reset tab. Select your device and click Reset . A disclaimer will pop up; agree to the terms. Select Reset Mode as XML or QR Code .
Once the support team receives your request, they will generate a reset code using your serial number and send it back to you via email.
Remember: Your serial number is the unique key to your device. Keep it recorded in a safe place before you get locked out. If you are considering buying a used Dahua device, always ask the seller for the serial number and confirm it is not stolen—otherwise, Dahua support will refuse the password reset request.
This guide explains everything you need to know: when the serial number method works, how to obtain the serial number, the step-by-step reset process, the tools involved, security precautions, and alternatives if the serial method fails. dahua password reset by serial number
For recorders, the serial number is particularly important as it determines which reset methods are available to you.
This guide will walk you through the process of conducting a and other related methods as of 2026. ⚠️ Important Precautions Before You Begin
The serial number reset method works for most Dahua IP cameras, HDCVI cameras, and recorders (NVRs/DVRs) under the following conditions: Modern Dahua devices use a secure XML file
This example uses (official free utility) and the built-in “reset by serial” function (available in newer firmware).
For those who prefer not to use the app, you can also scan the QR code with any QR reader application and email the captured image to support_rpwd@global.dahuatech.com . A security code will be sent to your registered email address, which remains valid for 24 hours.
A security code will be sent to the address associated with the account. Enter that code on your device to reset the password. Important Tips : FAQ/Password Reset Instructions - DahuaWiki A disclaimer will pop up; agree to the terms
This method is intended for legitimate owners only. Dahua will not assist with resetting devices that cannot be verified as your property.
Go to the tab and click on the device, as shown in the Dahua tutorial. The ConfigTool will show a QR code.
Recorders typically have a serial port header on the mainboard—often labeled with pins for Ground (GND), Transmit (TX), and Receive (RX). To use this method:
For recorders with model serial numbers starting with 7 or higher, a reset button is typically present on the mainboard inside the chassis: