Pokemon Ultra Moon Update 12 Cia Work 'link' -

If you're playing Pokémon Ultra Moon CIA, you'll need to install Update 12 to take advantage of the new features and improvements. Here's how:

This signifies a corrupted CIA file download or a bad SD card sector. Re-transfer the file to your SD card or check your card for errors using a PC utility like H2testw. The Game Remains at Version 1.0 or 1.1

If the update fails to install or work, use these proven community fixes to resolve the issue. Error: "Result code: 0xD900100A"

: For an update to work, the CIA of the update must strictly match the region of the base game (e.g., a USA update for a USA base game). Mixing regions often results in the system failing to apply the patch, even if both files are successfully installed on the device. Corrupted Data or Bad Dumps pokemon ultra moon update 12 cia work

The primary goal of version 1.2 was to resolve technical issues that caused crashes during competitive play.

The v1.2 patch resolves several technical issues present in the base game:

In FBI, go to Titles , find the Pokémon Ultra Moon Update (not the main game), and delete it. Then, reinstall the 1.2 CIA. 2026 Status of Pokémon Ultra Moon Updates If you're playing Pokémon Ultra Moon CIA, you'll

: The v1.2 update can break some cheat plugins (e.g., NTR CFW). If you rely on cheats, your only options are to uninstall the v1.2 update and revert to a previous version (like v1.1) or wait for the plugin developers to release an updated version of the cheat file.

: It fixes a critical bug where utilizing the moves Curse , Forest's Curse , Power Trick , or String Shot would entirely freeze the software during local and online battles.

If you have a North American (USA) base game, installing a European (EUR) Update 1.2 CIA will cause the system to create a separate data ticket. The Game Remains at Version 1

The Pokémon Ultra Moon v1.2 update (CIA) was a critical stability patch released to resolve game-breaking bugs that affected both competitive play and general exploration. Installing this update via CIA is essential for players using Custom Firmware (CFW) who wish to access online features or ensure their game does not freeze during specific battle scenarios Impact and Key Fixes of Version 1.2

The 3DS allows out-of-region gaming via custom firmware, but , not your console's physical region.

: When creating your own CIA files from a game cartridge using tools like GodMode9, you might encounter a "Build Failed" error. The most frequent cause is insufficient space on the SD card. If space isn't the issue, try dumping your cartridge as a .3ds file first, then converting that to a .cia .

As of April 2026, Pokémon Ultra Moon Version 1.2 remains the final official update for the title. While the update was originally designed to fix game-breaking move glitches (Curse, Forest's Curse, Power Trick, and String Shot), users utilizing

Warning: This is technically advanced. If done incorrectly, you will brick the digital install. It is almost always safer to keep the base game and update as separate CIAs, as Nintendo intended.