Based on your request, it seems you are looking for information or a summary regarding the update version 3.0.x (typically found as .NSP or .XCI files for use with custom firmware or emulators).
Can be "mounted" virtually to mimic a cartridge or installed directly like an NSP.
Note: In the custom firmware (CFW) scene, standard practice is to place XCI files on the SD card and install Update/DLC NSP files to the Switch's internal storage using a title installer like DBI or Tinfoil. Mario Kart 8 Deluxe Switch NSP XCI -Update 3.0....
This section is intended for users who legally own a copy of Mario Kart 8 Deluxe and wish to create or use backups on a Nintendo Switch with custom firmware (CFW) like Atmosphere. Always dump your own games and updates from legitimate copies you own.
Fully revamped with Balloon Battle and Renegade Roundup. Based on your request, it seems you are
: Fixed an "inescapable crevice" where players could get stuck. DK Mountain
A direct dump of a physical Nintendo Switch game cartridge. This section is intended for users who legally
Follow the same step to install the Booster Course Pass DLC NSP. For Custom Firmware (CFW) Users:
Downloading copyrighted NSP and XCI files from third-party repositories violates Nintendo's Terms of Service and digital copyright laws. To keep your console safe from permanent hardware bans, always dump your legally purchased game cartridges, updates, and DLC from your own personal Nintendo Switch console using tools like . Never connect to official Nintendo networks while running modified game files.