If you have the physical kart, the digital software (often available for free on the eShop) provides the following:
Open the software and scan the on-screen QR code using the kart’s camera to link it to your console. Mario Kart Live- Home Circuit Switch NSP Descar...
3.2 Power and Charging
A: Technically some custom firmware users have dumped their own copies for backup, but it’s still against Nintendo’s terms, and you risk a ban even if you own the original. There’s zero benefit — the official software works perfectly. If you have the physical kart, the digital
: Can be installed using homebrew tools like Tinfoil or DBI. Critical Gameplay Requirements If you have the physical kart