The is a critical patch (539 blocks/approx. 67 MiB) required for all online features. While it primarily addresses game-breaking bugs, users of CIA-installed games often encounter issues where the update fails to apply or the game refuses to launch afterward. Update Overview
: Fixes the Ion Deluge move functionality and various minor bugs.
Corrects a bug where Scatterbug would sometimes fail to learn Egg Moves. Troubleshooting Common "CIA Work" Issues pokemon ultra moon update 12 cia work
Don’t let the server shutdown confuse you—your physical or digital copy of Pokémon Ultra Moon isn’t obsolete. With Update v1.2 installed, the Alolan adventure is still fully playable, and the local trading scene is alive and well in the homebrew community.
Launch Pokémon Ultra Moon from your Home Menu. Once the opening cinematic finishes and you arrive at the main start menu, look at the . It should explicitly display Ver. 1.2 . If it does, your file structure is working perfectly, your bugs are patched, and your custom mods will load securely. The is a critical patch (539 blocks/approx
This happens when there is a region mismatch. If your base game is the European version (EUR) and you install a North American (USA) update CIA, the system treats them as two different games. Double-check your title IDs to ensure they match perfectly. Infinite Loading Screen After Patching
This points to an outdated Luma3DS firmware version. Power off your console, hold the button, and turn it on to check your Luma configuration. Update Luma3DS to the newest release via Universal-Updater if necessary. Update Overview : Fixes the Ion Deluge move
Resolves an error where the Poké Pelago would glitch at the start of a new month.