On modified Switch hardware, connecting to Nintendo's official online services is risky and may result in a console ban. Most custom firmware users either play offline or use alternative services.
The data matches the official release, preventing game crashes during heavy graphical moments (like Fatal Blows). mortal+kombat+11+aftermath+nsp+update+1017+high+quality
If you have the corresponding DLC unlocker for your NSP setup, Update 1017 activates the , which includes: On modified Switch hardware