To ensure your copy of Pokémon X is running Version 1.5, you can use the following methods:
Despite the official closure of the eShop for new purchases, Nintendo Support confirms that players can still download existing game updates. Open the eShop, search for "Pokémon X Update," and select the free download.
These are installable packages used on modded 3DS systems to install software directly to the home menu, functioning similarly to an eShop download. Pokemon X- Update 1.5 3DS -World- CIA -Region F...
Once installed, launch the game and look for "Ver 1.5" in the bottom-right corner of the title screen to confirm success. Understanding "World" and "Region Free" CIA Files
Version 1.5 followed the 1.4 update (released earlier the same month) and cumulative patches that addressed earlier critical issues like the Lumiose City save glitch. Installation Guide for 3DS Users To ensure your copy of Pokémon X is running Version 1
Officially, all 3DS hardware and software are region-locked (e.g., a US console cannot play a Japanese cartridge).
This update is mandatory for players to use any online communication functions that remain active. Once installed, launch the game and look for "Ver 1
In the homebrew and preservation community, you may encounter terms like "CIA," "World," and "Region Free."
Modded systems using custom firmware can bypass these locks, allowing "World" or "Region Free" versions of the update to be installed on any device regardless of its original territory. How to Update Pokémon X and Pokémon Y | Nintendo Support