If you are trying to play multiplayer and getting an error, your game version likely doesn't match the server. Check the eShop for a pending update.
When looking for the latest version of Asphalt 9, you’ll encounter two main ways to keep the game current: 1. The Official eShop Update (Recommended) asphalt 9 legends switch nsp dlc update eshop upd
Essential for upgrading your top-tier S-Class vehicles. If you are trying to play multiplayer and
Jump into the action without an internet connection. press the ‘+’ button
Hover over the Asphalt 9 icon on your Switch home screen, press the ‘+’ button, and select "Software Update" via the Internet. 2. The NSP Update File
Race with up to four friends on one console.