Your LHA / LNK Series DVR / NVR can receive firmware updates:
IMPORTANT: It is recommended to use automatic upgrade unless directed by technical support to perform a manual upgrade. Technical support will provide you with a .bin file for manual firmware upgrade. Do not power off the DVR / NVR during a firmware upgrade.
To automatically upgrade the DVR / NVR firmware:
In the taskbar, click the Main Menu icon (), and then click Advanced > Auto Upgrade.
In the Auto Upgrade tab, click Check Fw to search for new firmware.
If new firmware is available, a prompt notifies you to upgrade the firmware. Click OK.
Allow 5-10 minutes for the system to upgrade. The DVR / NVR will automatically restart when the firmware upgrade is complete.