The "Miitopia -NSP--Update 1.0.3- -2-.rar" string appears to be related to one such update. Specifically, this update seems to be a minor patch aimed at addressing issues or adding content to the game. The fact that it's packaged in a compressed archive file (.rar) suggests that it's intended for digital distribution, possibly through online channels.
: You can recruit up to 10 main party members during the story, with the ability to add up to 90 more in the post-game villa. How to Use Update Data Miitopia -NSP--Update 1.0.3- -2-.rar
: Nintendo has a robust system for detecting "Title ID" mismatches. If you install an NSP file and then connect your Switch to the internet, Nintendo can detect the unauthorized software and permanently ban your console from all online services (eShop, multiplayer, and firmware updates). Corruption The "Miitopia -NSP--Update 1