If you are running custom firmware (like Atmosphere) on an unpatched or modded Nintendo Switch, version 3.0+ updates will fail to boot or throw a "Corrupted Data" error if your system keys are outdated.
This update is interesting because it mixes tracks from the mobile game (Mario Kart Tour) with classic tracks. mario kart 8 deluxe switch nsp xci update 30 work
Ensuring your update works is well worth the effort, as the 3.0 ecosystem radically transforms the base game. Feature Category Addition / Change Funky Kong, Pauline, Diddy Kong, Peachette Expands the roster with competitive stat combinations. New Tracks 8 Final Tracks (Wave 6) Completes the massive 96-course selection. Lobby System If you are running custom firmware (like Atmosphere)