The Snapmaker Original is not the same as the Snapmaker 2.0 or Artisan. The Original uses a different mainboard (based on an older ARM chip) and a different firmware ecosystem. Do not flash Snapmaker 2.0 firmware onto an Original—it will brick the machine.
This is the most important factor. 3D printers involve high heat and rapid movement. Firmware updates often include refined safety protocols, such as thermal runaway protection (which shuts the printer down if the thermistor fails), preventing potential fire hazards. snapmaker original firmware update
The Snapmaker Original ecosystem comprises three distinct layers of firmware that must work in harmony: The Snapmaker Original is not the same as the Snapmaker 2