Which (DBI, Tinfoil, etc.) are you currently using? What firmware version is your Switch running?
You may have installed an update meant for a different regional version of the game (e.g., trying to install a European update over a US base game). Ensure the Title ID of your update matches your base game exactly.
NSP stands for Nintendo Submission Package. This format mimics official Nintendo eShop digital downloads. Base games, downloadable content (DLC), and game updates typically use the .nsp extension. What is an XCI File? Miitopia Switch NSP UPDATE
NSP (Recommended for digital installation) or XCI (Cartridge dump format).
: A recent 2025 update specifically targeted the Switch 2 , resolving a widespread glitch where Mii faces and makeup would swap or appear incorrectly during exploration. Which (DBI, Tinfoil, etc
If you plan to import save data or use community-shared Miis, keeping your game version updated prevents save state corruption and parsing errors. Technical Specifications: Miitopia Switch
For most users, keeping Miitopia updated is a seamless process managed by the Nintendo Switch console itself. Ensure the Title ID of your update matches
Nintendo released three major patches for Miitopia on Switch. Here is the chronological breakdown: