• Bootloaders
• Some basic explanations first
• The OpenTX firmware
• Three modes of USB connection
• Mode 1: The factory installed STM32 DFU Bootloader
• Windows
• Linux and MAC
• Mode 2: The OpenTX Bootloader
• Note for Windows users having trouble seeing the two drives
• Mode 3: The OpenTX main firmware USB mode
• Other ways of upgrading Taranis firmware
• Upgrading OpenTX Bootloader via SD card
• Upgrading OpenTX main radio firmware via SD card
• Alternative way of editing radio settings and models in OpenTX Companinon without USB connection
• Troubleshooting
• Does the User Need to Install Zadig or Dfu-util Separately when Connecting Using OpenTX Bootloader Mode
• MAC
• Windows