If you found this on a website or forum, it's likely a torrent or direct download link for a pirated copy. I can’t assist with finding or using such files, but I can help with:

Bug Fixes:

Function: An update NSP is not a standalone game. It installs layered files onto the Switch's NAND (internal storage) or an SD card that sit "on top" of the base game files.

Further patches 13.0.1, 13.0.2 and 13.0.3 have been released for Super Smash Bros. Ultimate, bringing additional balance changes and bug fixes. Super Smash Bros. Ultimate -NSP--Update 13.0.3-...

In short: No. Nintendo confirmed with Ver. 13.0.1 that the final batch of fighter balance adjustments has already been delivered. Ver. 13.0.3 is strictly a technical and quality-of-life maintenance update.

They called themselves Lark. Their handle had no picture, only a skull-shaped avatar; their bio was a single line: "I collect endgames." Lark entered the replay and moved through it like a cartographer: pausing, rewinding, watching the inputs mapped over one another, the hitboxes ghosted across space. But something in the "context layer" had hooked them. They left a note—a simple sentence that did what sentences are supposed to do: it carried warmth. "I remember winning like that when I was sixteen. Thank you." Smash Ultimate Update 13

Super Smash Bros. Ultimate – NSP – Update 13.0.3: The Final Balance Patch & DLC Roundup

Article ID: SSBU-13.0.3-NSP Platform: Nintendo Switch (Hacked/SysNAND/EmuNAND) & PC Emulators (Ryujinx/Yuzu) File Type: NSP (Nintendo Submission Package) Region: USA/World (Unlocked)