Link a Nintendo Account

• If you link to a Nintendo Account, what data can you carry over?
• Once a Nintendo Account has been linked to this game, can the link be removed or can I switch to a different Nintendo Account?
• Is it possible to restart Super Mario Run from scratch after linking to a Nintendo Account?
• What happens if I link a Nintendo Account and then decide I want to delete the Nintendo Account?
• Nintendo Account cannot be linked using the Link button.
• Error Code 804-3904 displayed when I tried to link a Nintendo Account.
• What can I do if I link to a Nintendo Account?
• If you link to a Nintendo Account, what data can you carry over?
• I can't link my Nintendo Account. Support Code 804-3904 is displayed.
• I can't link my Nintendo Account. Support Code 804-3905 is displayed.