[Linux-based NVRs] How to upgrade the ND-series NVR?

Enhancing the functionality and security of your ND/NV-Series NVR is crucial, and firmware upgrades play a pivotal role in this process. Please follow the steps below to upgrade the ND/NV-Series NVR:

Before starting the upgrade, it's recommended to back up your current settings and data to prevent any potential loss.

Step 1. Search for your NVR model on the VIVOTEK official website: https://www.vivotek.com/.

Step 2. Click on the webpage of your specific NVR model.

Step 3. Select 'Downloads' to find and download the latest firmware version (for example, ND9425P, as shown in the picture).

Step 4. After downloading, unzip the file to find a .img file.

Step 5. To update the firmware, access the NVR and import the .img file via Settings > System > Maintenance > Update Firmware.

There are two ways to access the NVR: via a Web console or a Local console. Please choose the appropriate method for accessing your NVR.

Web console

Navigate to Settings > System > Maintenance > Update Firmware and follow the previously mentioned steps.

Local console

Firstly, place the .img file on a USB drive and insert it into the NVR.

Then, access the system settings by clicking on the gear icon in the local view.

Once in the 'Settings' interface, go to System > Maintenance > Update firmware and proceed as described earlier.