After login to your “myWaldorf” account you can find the firmware downloads under “myHardware”
Copy the „M_Host_Firmware.dfu“ file onto the root directory of a SD card.
Insert the SD card into M’s card slot.
Switch your M off.
Hold down both Bank/Part buttons and switch M on again.
The firmware update should be recognized automatically.
To start the firmware update process, press the OK button.
After the firmware is installed correctly, M burns it into its FLASH memory.
Wait until the operation is completed. If updating was successful, the M will perform a system reset and start by pressing the OK button again.