Pokémon Ultra Moon Update v1.2 format is compatible with "World" (Region Free) versions of the game, provided you follow specific installation steps using homebrew tools like Installation & Compatibility Details Version Matches: The update file must be specifically for Pokémon Ultra Moon . While "World" region
: After a fresh installation via FBI, select the game in the Titles menu and choose "Import Seed" while connected to the internet to ensure the encryption keys are correctly applied. pokemon ultra moon update 12 3ds world cia work
Once you have obtained the CIA file, follow these steps to install it on your 3DS: Pokémon Ultra Moon Update v1