You wrote in the keyword. This is likely a typo for "update 1.2" . There is no Update 12 for any Pokémon 3DS title. However, this typo is surprisingly common due to:
The (released February 2018) is a mandatory patch required for online play that primarily addresses game-breaking glitches during competitions. Key Patch Details
For players seeking to stabilize their experience in the Alola region, the is a critical software patch. This update focuses on resolving game-breaking glitches and restoring online competitive functionality. Overview of the 1.2 Update pokemon ultra moon update 12 3ds world cia patched
If your game prompts for an update even after installing the v1.2 CIA, the internal version numbers in your base game file may be incorrect (common in poor "World" dumps). Mod Compatibility: If using ROM hacks or translations (e.g., Prismatic Moon Enable Game Patching is active in your Luma3DS settings (hold Select on boot). Installation Order:
: This likely refers to the Nintendo 3DS's online service or the community aspect of the game. The 3DS allowed for online play, StreetPass, and SpotPass functionalities, which were integral to the Nintendo 3DS experience. You wrote in the keyword
Ensure the file extension is .cia . If it is in a compressed format (like .zip or .rar ), you must unzip it first.
: Unlike some older 3DS patches, v1.2 is minor enough that it typically does not break existing battle videos. How to Update Pokémon Ultra Sun and Pokémon Ultra Moon However, this typo is surprisingly common due to:
If you have a modded 3DS (Custom Firmware) and have acquired the update file (usually named something like Pokémon Ultra Moon Update v1.2.cia ), here is the standard procedure to install it safely.