Sunell NVR/DVR webUI Owner’s Manual

How to upgrade the firmware of an NVR/DVR using the webUI

1. Log in to the NVR/DVR using a web browser and go to Settings > System > Maintenance and click FW Update.

2. Select the correct firmware update file and click Open.

3. Wait for the update to be completed. The device will automatically reboot once has update has been completed.