Fig 2. Showing where to check firmware version of your light(s) in System Assistant.
Start the Heliospectra software "System Assistant". For information how to get/use System Assistant, please click here (link). Now, in the list appearing, look at the parapgraph "Firmware". Here you can see firmware version of each one of your lights (see red arrow in Fig 1). If you dont use System Assistant to reach your light(s), you can also see the firmware version down bottom of your lights web user interface (see Fig 2).
Fig 2. Showing were to check firmware version in the lights web user interface (method when you are not using System Assistant to find your light(s).