https://wiki.hacks.guide/w/index.php?action=history&feed=atom&title=3DS%3ABoot9strap%2Fen 2026-04-28T04:13:17Z Revision history for this page on the wiki MediaWiki 1.43.8 https://wiki.hacks.guide/w/index.php?title=3DS:Boot9strap/en&diff=10002&oldid=prev 2025-08-15T22:41:42Z

<p>Updating to match new version of source page</p> <p><b>New page</b></p><div>&lt;languages/&gt;<br /> {{Infobox homebrew<br /> | developers = SciresM, TuxSH<br /> | for3ds = 1<br /> | version = 1.4<br /> | releasedate = 2022-05-22<br /> | github = SciresM/boot9strap<br /> | universaldb = 3ds/boot9strap<br /> | githubtag = 1.4<br /> | title = boot9strap<br /> }}{{lowercase title}}<br /> &#039;&#039;&#039;boot9strap&#039;&#039;&#039; 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 [[3DS:arm9loaderhax|arm9loaderhax]] in May 2017.<br /> <br /> == Installation ==<br /> <br /> This is the main firmware loader when using [[3dsguide:index|3DS Hacks Guide]]. To update, follow the steps on [[3dsguide:updating-b9s|Updating B9S]].<br /> <br /> To upgrade from an old setup:<br /> * arm9loaderhax: [[3dsguide:a9lh-to-b9s|A9LH to B9S]]<br /> * menuhax: [[3DS:Migrate from menuhax]]<br /> * Gateway: [[3DS:Migrate from Gateway]]<br /> == How it works ==<br /> <br /> An in-depth presentation on how the BootROM signature parsing works and how boot9strap exploits it can be found here: [https://sciresm.github.io/33-and-a-half-c3/ SciresM&#039;s 33.5c3]<br /> <br /> == LED Status Codes ==<br /> <br /> If {{key press|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.<br /> {{b9s LED table}}<br /> <br /> {{Short description|Custom firmware loader}}</div>

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