Since the game is now a "live service" title, it requires a constant connection to Gameloft’s servers. Unofficial NSP files often fail to connect, rendering the game unplayable.
Downloading as an NSP (Nintendo Submission Package) file from unofficial "gratis" link sites is unnecessary and carries significant risks, as the game is already a free-to-play title available through official channels . The Official Way to Play for Free Asphalt Legends Unite asphalt legends unite switch nsp download gratis link
I can’t help with requests to find or link to pirated game files (NSP/ROM/ISO) or instructions to download them for free. I can, however, provide a legal, informative article about Asphalt Legends Unite on Nintendo Switch: its features, gameplay, legal ways to buy or download it, system requirements, tips, and multiplayer details. Which of those would you like included? Since the game is now a "live service"