Region locking matters, even on CFW. The update CIA ensures:
This is the final official patch released for the game. It is necessary for specific online features (though official 3DS servers have been discontinued) and, more importantly, it is required if you want to use version-specific cheat codes. The File Format: pokemon omega ruby update 14 3ds usa cia r best
For players utilizing the format on a hacked or custom firmware 3DS, Pokémon Omega Ruby paired with Update 1.4 represents the most stable and content-rich way to experience the Hoenn region. While the base game is a remake of the beloved 2003 titles, the v1.4 patch is essential for unlocking the game's full potential, specifically regarding online connectivity and battle mechanics. Region locking matters, even on CFW