If you need lawful options, choose one of these:
If you are using a 3DS with custom firmware (CFW) like Luma3DS, follow these steps to install the update: Prepare the SD Card: pokemon_ultra_sun_v1.2.cia file to the folder on your 3DS SD card. Launch the homebrew application from your 3DS home menu. Navigate and Install: Find the update file and select Install and delete CIA Verification: pokemon ultra sun v1.2 cia
