While the official Nintendo Support notes state the update was designed for a "smoother gaming experience," several specific changes were implemented:
Download the file from a trusted 3DS ROM archive. Power off your 3DS and remove the SD card. Insert the SD card into your computer.
This specific CIA provides the most stable, region-free, and complete experience.
If you are playing on a modified console, a "Region F" or "New" CIA allows you to play the updated version of the game regardless of whether your 3DS is North American, European, or Japanese.
This paper provides an overview of the post-launch software support for the video game Pokémon X (Game Freak, 2013) on the Nintendo 3DS system. It specifically addresses the official update history, culminating in the final significant patch (Version 1.5), and analyzes the technical terminology surrounding software distribution, including region-locking and file formats.
No. Installing the v1.5 update via a CIA file or the official eShop does not delete your save data. However, deleting an update after you have already saved on it can sometimes cause issues with data loading. Is it necessary? If you plan on using any online features—including Wonder Trade Global Trade Station (GTS) Online Battles —the v1.5 update is mandatory. number or need help troubleshooting an installation error with this patch? FAQ - 3DS Hacks Guide
Even with the right files, things can go wrong. Here are the most common issues users face with the "Pokemon X Update 1.5" setup.
Copy the .cia file into the folder named cias on the root of your SD card. If the folder does not exist, create it.
