: A .cia (CTR Importable Archive) file is an installable package that contains game data and metadata, typically used for installing software directly to the 3DS HOME menu.
Official updates can still be accessed through the Nintendo 3DS eShop by searching for "update" or scanning specific QR codes from official support pages. For users of homebrew or emulators, the update is often distributed as a separate .cia file to be installed alongside the base game. How to Update Pokémon X and Pokémon Y | Nintendo Support pokemon x update 15 3ds world cia region f portable
For users utilizing homebrew or emulators like Citra, handling the update requires specific file formats and tools. How to Update Pokémon X and Pokémon Y
Mainline Pokémon games on 3DS, including Pokémon X, are effectively Region Free (World) including Pokémon X
: Launch the game; the version number "1.5" should appear on the bottom-right of the title screen. Alternative Update Methods