If you have a standard, unmodified Nintendo Switch console, updating the game is incredibly simple and the safest route:
Sometimes technology throws a blue shell of its own. If you run into issues:
Press the , select Software Update , and then Via the Internet . 2. Modded Nintendo Switch (Custom Firmware)
The RAR updated version of Mario Kart 8 Deluxe NSPCH update 3.0.3 includes all the features and improvements mentioned above, as well as some additional changes and fixes. Some of the key changes include:
the .nsp file to your Switch SD Card (usually in the tinfoil/nsp or atmosphere/contents folder). Install the file using an installer like Tinfoil or DBI. Method 2: On Emulator (Yuzu / Ryujinx) Obtain the Mario Kart 8 Deluxe v3.0.3.nsp update file. Open Yuzu/Ryujinx. mario kart 8 deluxe nspchupdate 303rar updated
Always download updates via the official Nintendo eShop stub.
While official notes were brief, dataminers identified that this update primarily addressed critical back-end vulnerabilities:
Version 3.0.3 builds upon the massive foundation laid by the final Booster Course Pass content. The game now boasts a massive, definitive roster and track list. New Characters Added The agile racer returns from the GameCube era. Funky Kong: A fan-favorite heavyweight from Mario Kart Wii. Pauline: Making her grand debut from Super Mario Odyssey.
Mario Kart 8 Deluxe NSP/CH Update 3.0.3 (RAR) - Everything You Need to Know If you have a standard, unmodified Nintendo Switch
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How to Update Mario Kart 8 Deluxe | Nintendo Switch | Support
: Added 17 new Mii suits, including a Daisy suit for those with the corresponding amiibo. Summary Table: Ver. 3.0.3 vs. Ver 3.0.0 Version 3.0.3 (Latest) Version 3.0.0 (Major) Primary Focus Security & Netcode Fixes New Content & DLC Support New Tracks 8 Tracks (Wave 6) Characters Funky Kong, Pauline, Peachette Fixes Buffer overflow security Item balance & Mii animations
The game's updates and DLCs have been aimed at enhancing the gaming experience by adding new content. These include: Modded Nintendo Switch (Custom Firmware) The RAR updated
While major content updates concluded with Wave 6 of the Booster Course Pass, Version 3.0.3 remains a mandatory installation for modern players.
Update 3.0.3 isn't just for security; it is a requirement for the most ambitious mods. For example, the popular mod—which adds 56 custom tracks, new music, and UI changes—explicitly lists Mario Kart 8 Deluxe updated to the latest version (3.0.3) as a prerequisite for installation. If you are a mod enthusiast, acquiring the 3.0.3 update (or later) is mandatory for mod functionality.
: Several issues have been addressed to improve the gameplay experience. Nintendo Support Technical Details & Unofficial Fixes
The compression format used to package the update, which requires extraction.