Reinsert the SD card into your 3DS and power on the console. Step 2: Install via FBI Launch the application from your 3DS Home Menu. Select SD from the main menu. Navigate to the cias folder. Highlight the Pokémon Ultra Sun 1.2 update CIA file.
Even with a correct setup, issues can sometimes arise. Here are the most common problems and their solutions. pokemon ultra sun update 12 3ds world cia work
Verify in the 3DS home menu that the game icon shows "Ver 1.2" when selected. Reinsert the SD card into your 3DS and power on the console