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Client Software: Manually updating DVR / NVR firmware

If your DVR / NVR is connected to a network, it will automatically receive firmware updates. If the recorder is not connected to the network, there are two methods for manually updating firmware. You can update firmware directly on your DVR / NVR using a USB drive, or you can update it using your applicable Client software.


  • Ensure that the correct firmware is downloaded for the specific DVR, NVR or IP camera.
  • The following instructions require you to access your system using your DVR / NVR and a monitor.

To update firmware on the DVR / NVR:

  1. Download the correct firmware for the system to a formatted USB drive.

    IMPORTANT: Ensure that the USB drive being used is formatted and empty.

  2. Insert the USB drive into the USB port of the DVR / NVR.

  3. Right-click on the Live View to access the Quick Menu.

  4. Click Main Menu and then click the Setting icon (Setting icon).

  5. Click Setting > Upgrade.

  6. Click Start.

  7. Select the firmware on the USB drive and click Start.

    LHV LNR: Upgrade Window

The following instructions require you to access your system using the FLIR Client software and a PC / Mac.

To update firmware through the software:

  1. If a firmware update is required, the system software will prompt you to complete the update.
  2. Click Yes and allow the update to complete.

    REMINDER: Do not restart or configure the system while the upgrade is completing.