Startup the REV Hardware Client. Once the Power Distribution Hub is fully connected it will show up on the front page of the UI under the Hardware Tab. Select the Power Distribution Hub.
After selecting the Connected Hardware, the Update tab will pop up. Under Power Distribution Hub Firmware select Download.
Once the firmware has downloaded, select Update.
When the firmware update has completed a status message "Update Completed" will appear. The status for the Power Distribution Hub Firmware will also change to "Up-to-Date."