When a user attempts to connect to the "Stumble Guys" servers, the client (the Switch) sends a version handshake to the server. If the user has installed an update via an unofficial NSP, the game version might match the server's expectation. However, the authentication process involves Nintendo’s specific certificates. Modified consoles often face immediate bans or connection errors (such as error code 2137) when attempting to access official servers.
Updating through official Nintendo servers on a modded console carries a risk of being banned. Console Release Notes - Stumble Guys stumble guys switch nsp update upd
Follow @SwitchScene on Discord or “GBAtemp” threads for —these are small NSP updates (50MB instead of 500MB) that only change the version string to trick the server. When a user attempts to connect to the