If you are using the .rar file for a modded console or emulator, follow these general steps:

Nintendo Switch NSP Files, ROM's & Games Free Download | Ziperto.

: The full game requires approximately 6.7 GB ; ensure you have additional space for the update data.

: Ensure your game lists "v1.3.0" on the title screen to confirm the update applied successfully. Troubleshooting & Data Management

For security and ease of use, it is recommended to update through the Official Nintendo Support site : Connect your console to the internet. Highlight the game icon on the HOME menu. Press the or - button to open the Options menu.

: Use a homebrew installer (like Tinfoil or DBI) to install the extracted .nsp file to your console.

The file is an archive containing the version 1.3.0 update for the Nintendo Switch game Pokémon Brilliant Diamond . It is hosted on the third-party site Ziperto , which specializes in Nintendo Switch NSP and XCI files. Guide to Version 1.3.0 Update