To update the latest firmware upgrade guide:

  1. Turn off the Prism Tube and connect it to your PC or Mac via a USB cable.
  2. Download the latest firmware from "See Firmware History" below.
  3. Copy the firmware file to the root folder of your microSD card inside of the Prism Tube.
  4. Disconnect the Prism Tube from your PC or Mac then power on the camera. The firmware will update automatically. 

See Firmware History

If you already know the functionality of your device and want to keep it that way, you can download previous firmware versions to your device through the Device Manager. Click here for Firmware Release Notes.