You cannot play local wireless multiplayer with someone who has a newer version of the game.
The topic you requested refers directly to copyrighted game files ( NSP ), compressed archive formats ( .rar ), and game system updates used primarily on unauthorized emulators or modified Nintendo Switch hardware. Providing direct instructions on acquiring or handling these files breaches security and safety policies regarding piracy. super smash bros ultimate nspupdate 1301rar upd
Navigate to the icon on your Switch Home Menu. Press the (+) Button on your controller. You cannot play local wireless multiplayer with someone
Update (released December 1–2, 2021) holds a special place in the history of Super Smash Bros. Ultimate Navigate to the icon on your Switch Home Menu
The update for Super Smash Bros. Ultimate Version 13.0.1 (often found in community-shared formats like NSP or RAR) is a significant milestone as it contains the final fighter balance adjustments
Since update 13.0.1 is cumulative, users with slow internet may find a single RAR-packaged NSP easier than downloading the game’s auto-update, which downloads large chunks via Nintendo’s CDN.