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To get the latest version (v11.1.0) and all current features, use the official Nintendo Support update method: Connect your console to the Highlight the Splatoon 3 icon on your Home Menu. Software Update Via the Internet patch notes Splatoon-3-Update-9.2.0.NSP.rar
This is the standard file format used for Nintendo Switch digital content, including games, DLC, and updates. Archive Type Disclaimer: This post is for informational purposes only