(Nintendo Submission Package) files are typical for digital installs. (NX Card Image) files mimic physical cartridges.
: To prevent errors, it is critical to install files in this order: Base Game [v0] → Update → DLC Troubleshooting Common Issues mario kart 8 deluxe switch nsp xci update 30 work
Patch notes specifically mention stability improvements for online play. (Nintendo Submission Package) files are typical for digital