If you are managing your game files manually for backup or emulation purposes, you may find the update packaged as a .rar archive.
The is a major software patch that introduced critical features like the Arceus event and online trading at the GWS in Jubilife City . While official updates are delivered automatically via the Nintendo Switch HOME Menu, users operating in homebrew or emulation environments often encounter these updates in compressed formats like .rar or as raw .nsp files. Overview of Update 1.3.0 Key Features pokemon shining pearl nspupdate 130rar work
Released on March 16, 2022, this update finalized several long-awaited gameplay mechanics: If you are managing your game files manually