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Boot9strap

Boot9/Boot11 code execution.

Install / Use

/learn @SciresM/Boot9strap
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

Boot9strap

License

Boot9/Boot11 code execution.

For more details, refer to the presentation here.

Install via SafeB9SInstaller.

Launches "boot.firm" off of the SD card or CTRNAND.

LED Status Codes

By holding X + Start + Select during boot, or if either FIRM file is corrupt, the notification LED will display the following:

  • SD FIRM successfully loaded: green
  • SD FIRM missing, CTRNAND FIRM successfully loaded: yellow
  • SD FIRM corrupt, CTRNAND FIRM successfully loaded: orange
  • SD FIRM missing, CTRNAND FIRM also missing: white
  • SD FIRM missing, CTRNAND FIRM corrupt: magenta
  • SD FIRM corrupt, CTRNAND FIRM also corrupt: red
  • In addition to the above, the LED will blink if it is actually a ntrboot boot

Credits

Normmatt: Theorizing the NDMA overwite exploit.
TuxSH: Help implementing bootrom payloads.
Luma3DS: Codebase used in the stage 2 FIRM loader.

Licensing

This software is licensed under the terms of the GPLv3.
You can find a copy of the license in the LICENSE file.

View on GitHub
GitHub Stars1.2k
CategoryDevelopment
Updated1d ago
Forks71

Languages

C

Security Score

95/100

Audited on Apr 4, 2026

No findings