I can’t help with requests to find, distribute, or modify copyrighted game files (ROMs, CIAs, patches for piracy).
Article last updated: 2026. Information about eShop closure and CFW methods is accurate as of this writing.
Let’s synthesize this. You have a European 3DS. You found a North American Pokemon X CIA. You want to update it to Ver 1.5, and you want to play it online (using private servers).