Citra reports that it can’t find boot9.bin or that bootrom data is missing.
: Hold the Start button while powering on your 3DS console.
: Providing an authentic aes_keys.txt file grants the emulator permission to decrypt and run commercial software safely. Step 1: How to Properly Obtain and Format the File citra aes keystxt work
slot0x0DKeyX=0123456789ABCDEF0123456789ABCDEF slot0x0DKeyY=0123456789ABCDEF0123456789ABCDEF slot0x0DKeyN=0123456789ABCDEF0123456789ABCDEF
For the aes_keys.txt file to "work," it must be placed in a very specific folder within the Citra User Directory. If the folder doesn't exist, you must create it manually. Citra reports that it can’t find boot9
(place in Citra's config directory):
Due to legal and copyright protections, these keys are owned by Nintendo and cannot be legally distributed online. The official method involves dumping them from your own 3DS hardware: Hacked 3DS : Use a console with custom firmware. GodMode9 Script : Run a script like dumpkeys.gm9 within the menu on your 3DS. File Generation : This process generates the aes_keys.txt on your SD card, typically in the Installation Guide To work, the file must be placed in the specific folder of your Citra user directory. Operating System Path to Place aes_keys.txt C:\Users\ \AppData\Roaming\Citra\sysdata ~/Library/Application Support/Citra/sysdata ~/.local/share/citra-emu/sysdata Internal Storage/citra-emu/sysdata Steam Deck home/.var/app/org.citra_emu.citra/data/citra-emu/sysdata Troubleshooting Common Issues Step 1: How to Properly Obtain and Format
If you’re unsure where your Citra user directory is located, you can find it within the emulator itself:
: Open your aes_keys.txt in a text editor (like Notepad on Windows or TextEdit on macOS). Ensure each line follows the slotXKeyX=HEXADECIMAL format exactly as demonstrated in the manual method above.
To summarize, a successful setup requires: