: This version is strictly required for all online functions, including SOS Battles and Global Missions. : The update occupies approximately 536–539 Blocks (roughly 67 MB) on the SD card. 2. CIA "Exclusive" Features (Custom Builds)
The (3DS executable file) update is a critical maintenance patch designed to stabilize the game's competitive environment and fix several game-breaking bugs that plagued early versions. While the "exclusive" nature often refers to Pokémon that can only be found in this version of the Alola region, the v1.2 update specifically ensures that players can access online features without technical interruptions. Core Technical Fixes in v1.2
A New Nintendo 3DS / 2DS (Old 3DS may lag in double battles) with Luma3DS CFW and FBI installed. A 16GB+ SD card formatted to FAT32.
: You can obtain larger "Totem-sized" Pokémon by collecting Totem Stickers . In Ultra Sun , you receive different Totem Pokémon (like Gumshoos) compared to Ultra Moon . Installation Notes (CIA/Homebrew) For users utilizing homebrew methods like FBI , please note:
In Pokémon Ultra Sun version 12 CIA, some exclusive content can be found: