The foundation of the installation is the base game NSP. This file contains the original retail version of the game. This must be installed first. If the base game is installed after the update or DLC, the system may fail to recognize the add-ons, as the file structure of the base game may not match what the update expects to patch.
Installing Mario Kart 8 Deluxe updates and DLC on a modded Nintendo Switch Go to product viewer dialog for this item.
This was the tricky part. The DLC NSP was finicky. It required the specific region update to be installed first. If he had a European base game and an American update, the DLC would corrupt. He checked the region tags in the file names: [USA] . All matched.
