: Nintendo 3DS games are encrypted using the Advanced Encryption Standard (AES). Emulators cannot natively read encrypted
The aes_keys.txt file must be placed in a specific "sysdata" folder within the emulator's directory to work correctly . Typical File Path C:\Users\[Username]\AppData\Roaming\Citra\sysdata\ Android Android/data/org.citra.citra_emu/files/citra-emu/sysdata/ iOS (Folium) On My iPhone > Folium > 3DS > sysdata macOS ~/Library/Application Support/Citra/sysdata/ Linux ~/.local/share/citra-emu/sysdata/ 3ds aeskeystxt work