Since Nintendo’s servers check for the latest software version, you cannot access "Network Play" in Mario Kart 7 without having this update installed.
Alternatively, you can find the update manually by searching "Mario Kart 7 Update" in the 3DS eShop. MK7-EUR-3DS-(Update12)-CIA-Ziperto.rar
Earlier versions of the game were famous (or infamous) for shortcuts that allowed players to skip massive portions of tracks like Maka Wuhu by driving into the water at specific angles. This update ensures everyone plays on a level track. Decoding the File Name Since Nintendo’s servers check for the latest software
Since Nintendo’s servers check for the latest software version, you cannot access "Network Play" in Mario Kart 7 without having this update installed.
Alternatively, you can find the update manually by searching "Mario Kart 7 Update" in the 3DS eShop.
Earlier versions of the game were famous (or infamous) for shortcuts that allowed players to skip massive portions of tracks like Maka Wuhu by driving into the water at specific angles. This update ensures everyone plays on a level track. Decoding the File Name