The update occupied of storage on the 3DS SD card. It was—and remains—mandatory for accessing any of the game's online features, such as the Global Trade System (GTS) , Wonder Trade , or Festival Plaza battles.
The primary goal of version 1.2 was to resolve technical glitches that hindered both casual play and competitive tournaments. Pokemon Ultra Sun- Update 1.2 3DS -WORLD- CIA -...
Updates generally take priority over the base game files; however, certain ROM hacks (like Photonic Sun ) may require specific merging of the update CIA to function correctly on emulators. The update occupied of storage on the 3DS SD card
While on the same engine, there are several graphical tweaks and some gameplay mechanics adjustments compared to the base game. Updates generally take priority over the base game
Resolved a bug where the move did not function correctly.
Before the eShop closure, you had to match your console region. Now, with physical cartridges being rare, many users own a Japanese Ultra Sun cart but want English text. The -WORLD- CIA updates the game without forcing a system format.