In the NSP scene, DLC is distributed as separate NSP files (or bundled with updates). Here is what you get:
Cumulative software patches that resolve sprite rendering errors, stabilize local and online wireless battles, and optimize performance. Pokemon Shield Switch NSP UPDATE DLCPokemon S...
To enjoy Pokémon Shield without crashes or missing textures, your digital ecosystem requires proper file ordering. In the NSP scene, DLC is distributed as
After updating, the version number will appear on the top right of the main title screen. In the NSP scene
Finally, install the Expansion Pass NSP to unlock access to the Wedgehurst station, which travels to the new zones. Technical Troubleshooting
Essentially, all three formats contain the same game data, just in different packages. Most emulators and installation tools can handle any of them.