I have to wait until new debugger arrives. So I want to change the method if it is certain that it is due to a failure. you said that
If you don’t have any of the above, you could use the embedded UAVCAN bootloader via the UAVCAN GUI Tool 4.
https://forum.zubax.com/t/sapog-esc-flashing/864/2?u=binns
Can I upload ‘compound.elf’ via the UAVCAN GUI Tool ?