The search for " Mario Kart 8 Deluxe " version 3.0 updates refers to the major content drop for and subsequent stability patches. Version 3.0.0 (Wave 6 Major Update)
A: Playing online with unofficial files is a ban risk for your console and Nintendo account. It is not recommended and violates Nintendo's terms of service. For a safe online experience, use a stock, unhacked console with a legitimate copy of the game and official updates. mario kart 8 deluxe switch nsp xci update 30 full