Downloading unauthorized "3DS files" or ROMs from unofficial third-party sites is illegal and carries risks. Historically, Nintendo has issued permanent hardware bans to users caught using pirated copies of Pokémon Sun online, which blocks the console from all Nintendo network services, including the eShop and online play. Legitimate Ways to Play Pokémon Sun
As of , the Nintendo 3DS eShop has officially closed . Download Pokemon Sun (EU) | 3DS File | 3.1G
You can no longer purchase digital copies of Pokémon Sun directly from the official store. Downloading unauthorized "3DS files" or ROMs from unofficial
Pokémon Sun And Moon's download size is over 3 gigabytes - Vooks Download Pokemon Sun (EU) | 3DS File | 3.1G