You never see an NSP or UPD file. The console handles everything.
: This version includes all previous content from the Booster Course Pass , including all 48 additional tracks and 8 new playable characters (such as Birdo, Petey Piranha, and Funky Kong). Installing NSP Updates on Modded Hardware switch nsp mario kart 8 deluxe upd
2... The music stopped abruptly.