The "WORLD" version of the update CIA refers to a patched release that works with of Pokémon Ultra Sun – regardless of whether you have the USA, EUR, JPN, or KOR version. This is possible because the update files contain identical assets and code across all regions, with only minor differences like language strings or event flags. Community-maintained CIA packages often strip out region checks entirely, allowing a single file to be installed on any console via CFW.
Depending on whether you are playing on real hardware or an emulator, the process for applying this update varies. On a Modified Nintendo 3DS Console Pokemon Ultra Sun- Update 1.2 3DS -WORLD- CIA -...
Reinsert the SD card into your 3DS and power the console on. Launch the application from your home menu. Navigate to SD -> cias . Highlight the Update 1.2 CIA file and press A . The "WORLD" version of the update CIA refers