: Installing this update is mandatory for players who wish to access any online functionality , including the Global Trade System (GTS), Wonder Trade, and official tournaments. Managing CIA Update Files
The CIA (Compressed Integrity Authenticated) format is used for homebrew software and pirated games on Nintendo 3DS. Legitimate updates for 3DS games were distributed through the , but this service is no longer functional for 3DS. pokemon ultra moon 1.2 cia