The firmware is the software that is programmed into your Durango/Kudu eyewear. It is used to operate the device and occasionally needs to be updated as new fixes and features are released.
To update your Durango/Kudu eyewear you can connect the eyewear to the Pivothead desktop app and perform the update automatically. When connecting to the desktop app it will prompt you if there is an update available. Follow the instructions to complete the update.
To update your Durango/Kudu eyewear firmware manually please visit this article: Durango/Kudu firmware