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3DS:boot9strap/fr

Custom firmware loader
Revision as of 19:05, 24 July 2026 by Cominou (talk | contribs) (Created page with "3DS:Boot9strap")
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Attention : le titre d’affichage « 3DS:boot9strap/fr » écrase l’ancien titre d’affichage « 3DS:Boot9strap ».

boot9strap is a firmware loader for the Nintendo 3DS. It is also an exploit for the ARM9 BootROM that allows for dumping of the protected area of the BootROM. It succeeded arm9loaderhax in May 2017.

Installation

This is the main firmware loader when using 3DS Hacks Guide. To update, follow the steps on Updating B9S.

To upgrade from an old setup:

How it works

An in-depth presentation on how the BootROM signature parsing works and how boot9strap exploits it can be found here: SciresM's 33.5c3

LED Status Codes

If Start+Select+X is held during boot, or if either FIRM file is corrupt, the notification LED will display a color. It will also blink if it is used via ntrboot.

Couleur SD FIRM CTRNAND FIRM
Verte Chargé -
Jaune Manquant Chargé
Orange Corrompu Chargé
Blanche Manquant Manquant
Magenta Manquant Corrompu
Rouge Corrompu Corrompu/Manquant