Spltoon3-(usa)-nswtch-nsp-update121-ziperto.rar -

Right-click the file and select or Extract to folder .

Ensure your system firmware version is compatible with Update 1.2.1 (typically version 15.0.0 or higher is recommended for this specific update).

A reliable installer such as DBI , Tinfoil , or Awoo Installer . SPLTOON3-(USA)-NSwTcH-NSP-Update121-Ziperto.rar

Do not attempt to play online or access the eShop while using CFW, as this will lead to a permanent console ban.

Navigate to (or "NAND Install" if you prefer). Right-click the file and select or Extract to folder

The most stable method is using via USB (MTP Responder): Connect your Switch to your PC via USB. Launch DBI on your Switch. Select Run MTP Responder . On your PC, open the "Switch" drive in File Explorer.

Check the version number under the game title. It should now display . Important Notes Do not attempt to play online or access

A tool that supports .rar archives, like 7-Zip or WinRAR . 2. Extracting the File