If the DLC levels appear greyed out despite installing the NSPs, double-check that your installed Title Update version matches the version required by those DLCs. If you want to fine-tune your setup, let me know: Which custom firmware version you are currently running The specific error code or message you are seeing (if any)

This version includes the base game plus all major content expansions released during the game's lifecycle.

Before diving into the update specifics, let’s clarify the terminology. An (Nintendo Submission Package) is the file format used for Nintendo Switch digital games, updates, and DLC. For players using custom firmware (like Atmosphere or SX OS), an NSP file allows them to install games directly to the Switch’s internal storage or SD card.

The core software required to boot the game.