Pokémon Ultra Sun v1.2 update is the final official patch released for the game on the Nintendo 3DS, designed to fix several critical bugs that hindered competitive play and general progression. Update 1.2 Key Fixes
Copy your legally obtained Pokémon Ultra Sun Update 1.2 CIA file onto your 3DS SD card (inside a folder named cias ). pokemon ultra sun update 12 3ds world cia portable