V07 (Noted :V07 is only for Windows player user, DO NOT update to V07 if you play on Mac, Otherwise can not play on Mac any longer!)
1. Fix the bug that V06 updater bricked device
2. Fix the bug that the port doesn't work with GC controller
Noted :V07 is only for Windows player user, DO NOT update to V07 if you play on Mac, Otherwise can not play on Mac any longer!
How to update W012 GameCube Adapter for Wii U?
Download the firmware from https://www.mayflash.com/Support and install it on your Windows PC.
Push the switch on the side of the adapter to “PC mode” and plug the black USB port to your PC.
select “update Firmware”.
Donot disconnect the device until you are informed that the updated was completed successfully.