To determine the version of firmware installed on your FB400 controller follow these steps:

  1. Go to and log in using the same username and password used to log in to the Flame Boss® mobile app.
  2. Go to Profile > Settings (link located below the image of the controller).
  3. The firmware "Current version" is listed on the Controller Settings page.

For the firmware release notes which lists the most current version go to:

If you need further assistance, please click here to Contact Us or call us at 800-978-9078.