If you are using an official console, you can update by following these steps from Nintendo Support : Highlight the Super Mario Odyssey icon on the Home Menu. Press the or - button. Select Software Update and then Via the Internet .

: Users can verify their current version by highlighting the game icon on the HOME Menu and pressing the + or – Button .

I notice you’re asking me to “write a paper” on “mario odyssey nsp upd” — but this appears to be a request related to Nintendo Switch ROMs, specifically an NSP (Nintendo Submission Package) file and update for Super Mario Odyssey .