W009 Firmware Updates on February 10, 2015
1. XINPUT Mode: To switch the controller buttons to A-A, B-B,X-X,Y-Y by pressing and holding the button “START” and “A” for 3 seconds. To switch the controller buttons to A-B, B-A, X-Y, Y-X by pressing and holding the button “START” and “B” for 3 seconds. All changes will be saved automatically.
2. DINPUT Mode: If you plug the adapter into your PS3 console while in this mode, your Wii U Pro Controller will be recognized as a PS3 Controller, and only supports one controller. Supports up to four controllers if you use this adapter on your PC USB in this mode.