Look at the lower right corner of the title screen or the bottom screen during boot-up.
CIA stands for "CTR Importable Archive," which is a file format used for installing games and applications on the Nintendo 3DS console. A CIA file contains the game's data, which can be installed on the console using a compatible tool. In the case of Pokémon Ultra Sun, the CIA file allows you to install the game on your 3DS console, making it easily accessible and playable. pokemon ultra sun update 12 cia install
The v1.2 patch remains a mandatory installation for several critical reasons: Look at the lower right corner of the