| Purpose | Method |
|--------|--------|
| Install boot9strap | Put boot9.bin + boot9strap.firm on SD card, trigger ntrboot or SafeB9SInstaller |
| Emulation (Citra) | Some older Citra builds needed it for decryption, but modern Citra or Panda3DS don’t require it directly |
| Key extraction | Use boot9.bin with 3ds-hw-tools or boot9strap-tools to extract movable.sed, otp.bin, etc. |
| Forensic analysis | Reverse engineering the boot ROM |
If you followed a modern hacking guide (like 3ds.hacks.guide), you likely already have GodMode9.
Navigate to SysNAND:
Access the Bootroms:
Alternative method if you cannot find the file directly: Boot9.bin 3ds
Copy the File:
Transfer to PC:
If you are a typical 3DS user who just wants to play backups or install custom themes, you might never directly interact with boot9.bin. However, it is vital in several scenarios: