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---
head: [
['script', {src: '/assets/js/common.js'}],
['script', {src: '/assets/js/soundhax-link.js'}],
['script', {src: '/assets/js/link-common.js'}],
]
---
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# Installing boot9strap (Soundhax)
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::: details Technical Details (optional)
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For technical details on the exploits that you will be using on this page, see [here ](https://github.com/nedwill/soundhax ) (Soundhax) and [here ](https://github.com/TuxSH/universal-otherapp ) (universal-otherapp).
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:::
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## Compatibility Notes
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Soundhax (when combined with universal-otherapp) is compatible with versions 1.0.0 through 11.3.0 in all regions.
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## What You Need
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* The latest release of [Soundhax ](http://soundhax.com ) *(for your region, console, and version)*
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* If Soundhax appears in your browser as an unplayable video, press Ctrl+S or Cmd+S to save it to your computer
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* The latest release of [SafeB9SInstaller ](https://github.com/d0k3/SafeB9SInstaller/releases/download/v0.0.7/SafeB9SInstaller-20170605-122940.zip ) (direct download)
* The latest release of [boot9strap ](https://github.com/SciresM/boot9strap/releases/download/1.4/boot9strap-1.4.zip ) (direct download)
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* The latest release of [Luma3DS ](https://github.com/LumaTeam/Luma3DS/releases/latest ) (the Luma3DS `.zip` file)
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* The latest release of [universal-otherapp ](https://github.com/TuxSH/universal-otherapp/releases/latest ) (`otherapp.bin`)
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## Instructions
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### Section I - Prep Work
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In this section, you will copy the files needed to trigger both Soundhax and universal-otherapp.
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1. Power off your console
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1. Insert your SD card into your computer
1. Copy the Soundhax `.m4a` to the root of your SD card
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+ The root of the SD card refers to the initial directory on your SD card where you can see the Nintendo 3DS folder, but are not inside of it
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1. Copy `otherapp.bin` to the root of your SD card
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1. Copy everything from the Luma3DS `.zip` to the root of your SD card
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1. Create a folder named `boot9strap` on the root of your SD card
1. Copy `boot9strap.firm` and `boot9strap.firm.sha` from the boot9strap `.zip` to the `/boot9strap/` folder on your SD card
1. Copy `SafeB9SInstaller.bin` from the SafeB9SInstaller `.zip` to the root of your SD card
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1. Reinsert your SD card into your console
1. Power on your console
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::: info
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![](/images/screenshots/soundhax/soundhax-root-layout.png)
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:::
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::: info
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![](/images/screenshots/boot9strap-folder.png)
:::
### Section II - Launching SafeB9SInstaller
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In this section, you will launch Soundhax through the Nintendo 3DS Sound app, which will use universal-otherapp to launch the boot9strap (custom firmware) installer.
1. Launch Nintendo 3DS Sound
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::: info
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![](/images/screenshots/soundhax/soundhax-welcome.png)
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:::
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1. If you've never opened Nintendo 3DS Sound before and get tips on how to use it from a bird icon, go through all of the bird tips, then close the app normally and relaunch it
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+ In this situation, launching Soundhax immediately would cause these tips to appear on every launch of the Nintendo 3DS Sound until this is done
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1. Go to `/SDCARD` , then play "< 3 nedwill 2016 "
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+ This may take many (up to 10) tries
+ If you see the message "Could not play", you are either on a system version incompatible with Soundhax or downloaded the wrong Soundhax release
+ If it freezes, force the console to power off by holding the power button, then try again
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+ If you get a different error, [follow this troubleshooting guide ](troubleshooting-soundhax )
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::: info
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![](/images/screenshots/soundhax/soundhax-launch.png)
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:::
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1. If the exploit was successful, you will have booted into SafeB9SInstaller
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### Section III - Installing boot9strap
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In this section, you will install custom firmware onto your console.
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1. When prompted, input the key combo given on the top screen to install boot9strap
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+ If a step on the lower screen has red-colored text, and you are not prompted to input a key combo, [follow this troubleshooting guide ](troubleshooting-soundhax )
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1. Once it is complete, press (A) to reboot your console
<!-- @include: ./_include/configure - luma3ds.md -->
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<!-- @include: ./_include/luma3ds - installed - note.md -->
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___
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::: tip
Continue to [Finalizing Setup ](finalizing-setup )
:::