: If playing on a 3DS, you will need custom firmware (CFW) to install the .cia file via FBI. A Note on Legalities
To find the official zip file, players typically search for the or their main website. Look specifically for the "UMUv1d2" (Version 1.2) tag to ensure you have the most stable release. Installation Steps: Download UMUv1d2 pokemonerdotcom zip
How to Download and Install Pokemon Ultra Moon Unbound (UMU) v1.2 : If playing on a 3DS, you will