Download current firmware from here. 

From the HALO Device Manager:

After downloading the current firmware note the destination folder and unzip your download.

Log into HALO Device Manager and login with you username and password to get full HALO status to have Actions Access.

In the HALO Device Manager select the Actions tab and select the Upload Firmware action.

The HALO unit will reboot multiple times during upgrade. DO NOT DISCONNECT POWER TO THE UNIT.

From the HALO Smart Sensor website

Open a web browser and navigate the HALOs IP Address

From the browser interface, select the Device icon at the bottom.

The Device Management tool will open, select [Browse] Upload firmware field to upload the firmware. Then select Upload Firmware.

The HALO unit will reboot multiple times during the upgrade. DO NOT DISCONNECT POWER FROM THE UNIT.