New "Music" player, Room ID functionality, and 17 new Mii Suits. 5. Troubleshooting Game corrupts/Error on launch:
You likely installed the update before the base game. Reinstall the base game, then update. Update requires newer Firmware: Mario Kart 8 Deluxe Switch NSP XCI -Update 3.0....
Open Goldleaf, navigate to the files, and select them to install. Install in order: Base -> Update -> DLC 3. Installing/Updating via Official Methods (Non-Modded) New "Music" player, Room ID functionality, and 17
Disclaimer: This guide is intended for educational purposes on custom firmware. Always support developers by purchasing legal copies of games. Reinstall the base game, then update
Make sure you install the "Booster Course Pass" unlocker NSP file. "System patch required": Ensure your Atmosphere is up to date and that you have sigpatches installed.
Update 3.0+ generally requires Switch System Firmware 16.0.0 or higher. (recommended for easy installation) or Goldleaf.
If you have the physical game or legitimate digital copy, do not use NSP files. Highlight Mario Kart 8 Deluxe on the home screen. on the controller. Software Update Via the Internet Nintendo Support 4. What's Included in Update 3.0+