1. To view the firmware version of your Valve Controller, please select its Location from the side menu, then click on the "Devices" tab on the bottom bar of the app, and click on your Valve Controller.
2. You will see the firmware version listed under "Device Information".
You can watch videos on how to check your Valve Controller's firmware by clicking on the below links:
Where to Locate Your Valve Controller Firmware Information (Android)
Where to Locate Your Valve Controller Firmware Information (iOS)