Super.mario.maker.2.v3.0.2.nsp.update.rar -

: Resolving specific issues that occurred after the massive content drop in v3.0.0.

: Downloading game files from third-party sources can expose your console to malware or lead to a ban from Nintendo's online services. Official updates are always recommended for stability and security. Version 3.0.2 Highlights

: To use these files, a console is usually running custom firmware (CFW).

The .rar file you mentioned typically contains a .nsp file, which is a package format used by the Nintendo Switch. It is important to note: