Check BRD_TYPE:INS:unable to initialise driver Where is the problem?
I’m GUESSING here, but maybe you have the wrong firmware uploaded. Try finding your autopilot in the list here: https://firmware.ardupilot.org/Copter/beta/
Download the .apj file from the correct folder, and select that file when you click “custom firmware” in the bottom right box of mission planner’s firmware upload screen. This will prevent any issues with Mission Planner assuming you have the wrong autopilot.
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