Mario Kart Channel [Wiimmfi] Error 20103 | GBAtemp.net - The Independent Video Game Community
Wiimmfi error codes thread | 4DR Clan Forum - Mario Kart Wii and Mario Kart 8 Deluxe
I did the DNS wiimmfi trick and it worked on my DS (I know it's different numbers on the wii u) but for some reason I keep getting this message and I'm