NVR - How to update Firmware of NVR - 202111

Created by Dahua DACH Regional Technical Support, Modified on Tue, May 23, 2023 at 4:26 PM by Dahua DACH Regional Technical Support

Description:

In this guide, we will show you how to upgrade the firmware of NVR

Prerequisites

Firmware for specific model
Local Network access to the NVR
USB flash drive with firmware for local upgrade
ToolBox and ConfigTool

Maintenance Tool	Download address
ToolBox	https://www.dahuasecurity.com/support/downloadCenter/tools?id=12&child=412

Step by Step Instructions via ConfigTool

1. Download and install the ToolBox and ConfigTool

2. Open the ConfigTool and find the NVR under “Device Upgrade”

3. Upgrade the file path and open the firmware in bin file. Then click “Operate”

4. Make sure both PC and NVR are under the same stable network

5. Wait for the upgrade to complete

6. The Configtool will show that the upgrade is successful

Step by Step Instructions via U disk

1. Copy the FW into the U disk in advance, and insert the U disk directly into the port of the NVR. The following window will automatically pop up. After that, click “Update”.

2. Click “Update” directly.

3. Choose the FW in bin file and click “OK”

4. Wait for the upgrade to complete

FAQs

Q. Why do I always fail to upgrade.

A. Normally, the possible reasons are

1. Wrong FW program.

2. The path is too long.

3. The path has Chinese