CTR-Importable Archive. Typically used for installing directly onto a modded 3DS console Important Gameplay Notes
There are several benefits to playing Pokémon Y 3DS ROM decrypted: Pokemon Y 3ds Rom Decrypted
decrypted 3DS ROM Pokémon Y is a game file that has had its digital copy protection (encryption) removed so that it can be read by third-party software like emulators. While original game cartridges and digital eShop backups are encrypted for use on Nintendo hardware, emulators like require decrypted files to function. Core ROM Specifications File Formats : Decrypted ROMs typically use the extensions for emulators. The CTR-Importable Archive