If you are using a portable emulation handheld or a PC emulator like or its modern forks, the Update 1.5 CIA must be compiled correctly to work.
The most critical fix included in version 1.5 was for the notorious "Lumiose City save glitch." In the original version of the game, saving your game in certain areas of Lumiose City could corrupt your save file, making it unplayable. The 1.5 update patched this vulnerability, making it safe to save anywhere in the city. For this reason alone, installing the update is highly recommended.
Update 1.5 is mandatory for any internet-based activities, including Wonder Trading, the Global Trade Station (GTS), and Player Search System (PSS) battles.
Nintendo released the Version 1.5 patch for Pokémon X and Pokémon Y to address several technical bugs and gameplay exploits. For the best, most stable experience, applying this update is highly recommended. Key Fixes in Version 1.5 pokemon x update 15 3ds world cia region f portable
: Launch Pokémon X from your home menu. You should see the version number "1.5" displayed on the lower corner of the game's title screen. Applying the Update to Portable Emulators (Citra/Forks)
Nintendo quickly addressed this with a series of software patches. While the historical "1.5 update" milestone specifically finalized structural compatibility for online play and resolved infrastructure bugs, the final version released for the titles is Version 1.5. Key Patch Notes for Pokémon X Updates:
Refers to the version version number of the update patch. If you are using a portable emulation handheld
Nintendo released the 1.5 update to resolve several stability issues and match the software requirements for modern network connectivity. Key Fixes in Update 1.5
Launch your portable emulation software.
For users with custom firmware (CFW) like Luma3DS, you have a few ways to get onto v1.5: Pokémon X & Y - Patches & Updates - Serebii For this reason alone, installing the update is
The patch increased detection for "unauthorized data manipulation." Players using modified save data or cheat devices in online battles now face automatic disconnection.
For users with custom firmware (CFW) installed:
Launch the homebrew application from your 3DS HOME Menu. Navigate to SD -> cias . Highlight the Pokémon X Update 1.5 CIA file.