Failed to upgrade bootloader.

I’m having trouble updating the bootloader on my ArduCopter flight control board and need some help.

Description of the Problem:

I’m using Mission Planner to manage my drone, and recently I received the message “Bootloader Update: Update the bootloader on your hardware to the newest available.” When I try to update the bootloader, I get the message “Failed to upgrade bootloader.”

What I’ve Tried:

  • Checked USB Connection: I tested with different USB cables and USB ports, without success.
  • Reinstalled USB Drivers: I reinstalled the specific drivers for the flight controller.
  • Updated Mission Planner: I am using the latest version of Mission Planner.

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