Every major tournament worldwide uses 13.0.1. If you are practicing on an older version, your timings and combos may not work correctly in a competitive setting.
It looks like you're referring to an update for Super Smash Bros. Ultimate on the Nintendo Switch! super smash bros ultimate nspupdate 1301rar new
Beyond legality, users seeking “super smash bros ultimate nspupdate 1301rar new” expose themselves to significant technical risks. RAR files from unknown sources may contain malware, ransomware, or Switch bricking scripts disguised as update data. Even if the NSP is legitimate, installing it requires custom firmware and tools like Goldleaf or Tinfoil, which can lead to console bans from Nintendo’s online services. A banned Switch can no longer access the eShop, play online multiplayer (including Smash online), or receive official system updates. Furthermore, mismatched update versions — e.g., trying to install update 13.0.1 without the proper base game or DLC signatures — can result in corrupted data or system crashes. Every major tournament worldwide uses 13
Addressed "several issues" to improve the overall gameplay experience and stability. Significant Character Changes Ultimate on the Nintendo Switch
for the game's fighter roster. This update focuses primarily on adjustments to character movesets and game stability rather than adding new playable content like the previous 13.0.0 "Sora" release. Key Highlights of Update 13.0.1 Final Fighter Adjustments
Smash updates can be over 10GB. USB is faster than copying to the SD card first.