Not able to flash Mateksys F405 TE borad

ArduCopter
1

Hello,
I am trying to setup a new Mateksys F405 TE board. I tried following the steps shown in this video to flash the firmware first using INAV first but I can get the board to go into DFU mode.
I tried without an SD card.
Eventually I was able to see the board in INAV, but neither Betaflight nor Ardupilot will recognize it.
I get the following errors:

Here COM6 is available

NoDFU
NoDFU1347×818 181 KB

This is the error from Betaflight

No resposebeta
No resposebeta874×251 24.8 KB

If I don´t push the DFU button I go to CLI

CLImode
CLImode1014×822 70.8 KB

IF I just plug the board via USB I can see it through COM port 6, but when I try to connect it by pressing the DFU button I get the following error, whcih may be the main cause of the probem, but I don´t know how to fix it:

stmbootloader

Is there any information on how I can fix the STM bootloader or a step-by-step guide to set this board up?

Thanks a lot!

2

Are you holding down the DFU button while connecting the USB cable? If so then follow the procedure detailed here using STM32CubeProgrammer.
Flashing firmware

Alternatively you can flash the bootloader using DFU-Util then use Mission Planner to flash Ardupilot. It’s the process I use:
DFU Bootloader

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3

Dave, thanks a lot. The STM32CubeProgrammer worked beatifully!

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