Sometimes updates are required to use new DLC content.

Unlocking Nintendo Switch Games: OSC, Emulators, And NSP Files - Ftp

If you can clarify the (Pokeland Legends or another one) and what problem you are trying to solve (e.g., crashing, missing DLC, failed update), I can give you specific installation steps or potential fixes.

This is a software patch for the game. It does not contain the base game itself, only the files needed to upgrade a lower version to a higher one. NSWTCH: Indicates it is for the Nintendo Switch console.

The file is compressed in a RAR format. You must extract this file using software like WinRAR or 7-Zip to access the .nsp file inside.

A Nintendo Submission Package. This is the digital format of a switch game, similar to a digital cartridge or eShop file.

Used to update a pre-installed base game ( .nsp or .xci ) to a newer version to fix bugs or add content.

Likely short for a game title, potentially PokéLand Legends or a similarly named title, frequently seen in Ziperto's NSP listings.