Here’s a concise write-up on converting (Nintendo DS) ROMs to CIA (CTR Importable Archive, used for Nintendo 3DS). Can You Convert NDS to CIA? Short answer: Not directly. NDS games run on the Nintendo DS (and 3DS in DS mode). CIA files are 3DS titles (games, apps, updates) installed to the 3DS home menu.
Here’s a concise write-up on converting (Nintendo DS) ROMs to CIA (CTR Importable Archive, used for Nintendo 3DS). Can You Convert NDS to CIA? Short answer: Not directly. NDS games run on the Nintendo DS (and 3DS in DS mode). CIA files are 3DS titles (games, apps, updates) installed to the 3DS home menu.