: As of March 2023 , the Nintendo 3DS eShop has closed for new purchases, but Nintendo currently still allows users to download existing updates and redownload previously owned content through official channels.
: While downloading game updates via the eShop is official, downloading and installing ".CIA" files from third-party websites often falls into a legal gray area or is associated with software piracy.
: This is a file extension ( .cia ) used by the Nintendo 3DS for installing digital content (games, updates, or DLC) via custom firmware like Luma3DS . Key Context
The text refers to a specific digital file used for updating the Nintendo 3DS game Pokémon Moon to version 1.2.