Learn how to Enter DFU Mode on Flight Controller for Betaflight and iNav Firmware

Coming into DFU (System Firmware Improve) mode on a flight controller is crucial for flashing new firmware like Betaflight or iNav. Right here’s a step-by-step information on methods to do it utilizing CLI instructions or the boot button.

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Utilizing Boot Button

Practically all flight controllers have an onboard push button, often known as the “Boot Button.” Holding down the boot button whereas connecting the USB cable will put the FC into DFU mode.

1. Find the Boot Button: Discover the boot button in your flight controller. It’s often small and labeled as ‘Boot’ or ‘DFU’.
2. Press and Maintain the Button: Press and maintain the boot button.
3. Connect with PC: Whereas holding the button, join the flight controller to your pc through USB.
4. Launch the Button: As soon as related, you may launch the boot button. The flight controller ought to now be in DFU mode.
5. Firmware Flashing: Proceed with flashing the brand new firmware by means of the Betaflight or iNav Configurator.

Utilizing CLI Instructions

1. Connect with Betaflight Configurator: Plug your flight controller into the pc and open the Betaflight Configurator.
2. Open CLI Tab: Navigate to the CLI (Command Line Interface) tab within the configurator.
3. Enter DFU Command: Kind bl within the CLI and press enter. This command ought to reboot the flight controller into DFU mode. bl stands for bootloader.
4. Firmware Flashing: Your flight controller is now in DFU mode and prepared for firmware flashing.

Notice: for iNav, the command to enter DFU mode is just dfu

Learn how to Know If You Are in DFU Mode?

In case your flight controller is in DFU mode, it’s best to see “DFU” within the Ports dropdown field.

Suggestions

Conclusion

Coming into DFU mode can fluctuate barely relying on the flight controller mannequin, so seek advice from your particular mannequin’s handbook for any extra steps or variations.