If Betaflight is working as expected, your flight controller will automatically reboot into DFU (boot) mode when you click on “Flash Firmware”. On Windows use the “driver fixer” to resolve this problem. If flashing doesn’t work and you get a “Could not connect to bootloader” error, you most likely have a driver problem. if you get a “Could not connect to bootloader” error), you may have a driver problem. This should initiate the flashing process.

On the bottom, click on “Flash Firmware”.

On the bottom, click on “Load Firmware ” and select the hex file you downloaded in Step 1.

Start the Betaflight Configurator and click on “Firmware Flasher” on the left side.

Alternatively, you can find older and testing releases on the GitHub release page. Simply click on your favorite logo ( or make your own!) and download the hex file for your flight controller (“RADIX” for RADIX, “BRAINRE1” for RE1, etc.). Download the hex file for your flight controller from the Logo Customizer page.Older (F4 based) Flight Controllersįor older flight controllers (BRAINRE1, RADIX, RADIX LI), use the Betaflight configurator to flash the firmware as follows. This has the advantage that no special drivers are needed for updating the firmware. When the flight controller is in bootloader mode, it will appear as an external drive when connected to a computer and the firmware is updated by simply copying the firmware file to the drive. The latest generation of BrainFPV flight controllers (starting with RADIX 2) use a custom BrainFPV bootloader for easy updating of the installed firmware. To update Betaflight, do the following: RADIX 2 and Newer Flight Controllers Your BrainFPV flight controller is flashed with the latest stable Betaflight release during testing, which means that it may be outdated when you receive it and should be updated. In order to setup and configure Betaflight, you need the Betaflight Configurator.

Spinning propellers can cause serious injury and it is best to never work on a quadcopter (or other RC aircraft) with the battery and propellers attached! Install Betaflight Configurator for testing motors), remove the propellers. Warning: When updating or configuring your flight controller, leave the battery disconnected and if the battery is connected (e.g. There are many videos on YouTube on those topics that you can explore after completing this guide. It isn’t intended to be an in-depth guide about every detail of Betaflight. The aim of this guide is to give you an introduction on how to setup Betaflight on your BrainFPV flight controller and to get you in the air as quickly as possible.

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