Serial: XAJ7002361****
Serial on device matches serial on box: Yes
Region: EUR
Firmware: 3.0.2
Color option: Grey
Store: amazon.fr
Was a bundle (if yes, which): No
Purchase date: May 18th 2018
Wii U Gamepad controls are also broken in Mario Kart Double Dash with v5.458. Analogs, dpad, A button, start button... Nothing works.
You're basically stuck at title screen.