Firmware for 8Bitdo controllers
The .dat files can be applied using the ebitdo-tool binary in fwupd, or the
generated .cab files can be installed using gnome-software or fwupdmgr.
Note: Make sure the GamePad battery is NOT empty before flashing.
See https://web.archive.org/web/20170520112357/http://www.8bitdo.com/snes30/firmware.html for more details.
These files are distributed with permission of 8Bitdo and additional metadata files for the LVFS are copyright Richard Hughes.