HV30-FV15: 8BitDo Version, no need to unplug the 8BitDo Bluetooth adapter every time you wake up your SWITCH.
HV30-FV16: For new hardware with "FV-16" printed on the side of the Core Drive or "M20" printed around the USB-C.
HV30-FV17: Beta Version. Please do not install this firmware.
HV30-FV18: Enables Core Drive to output SWITCH TV Mode with a 9V charger (Only for new hardware with "FV-16" printed on the Core Drive or "M20" printed around the USB-C).