This format is a direct dump of a physical Nintendo Switch game cartridge. XCI files are highly convenient because they can bundle the base game, updates, and DLC into a single, unified file.
Nintendo regularly issues software patches to resolve performance bugs, add localization assets, and introduce compatibility layers for newer hardware architectures. Keeping your base file updated is required to access community servers or simulated online rooms. The version history details how the codebase has evolved: How to Update Super Mario Bros. Wonder | Nintendo Switch Super Mario Bros. Wonder Switch NSP XCI -Update...
Select the update file, click , and ensure the checkbox next to the latest version is marked. Installing NSP/XCI Updates on Custom Firmware (CFW) This format is a direct dump of a