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# Installing boot9strap (Soundhax)

:::details Technical Details (optional)

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).

:::

## Compatibility Notes

Soundhax (when combined with universal-otherapp) is compatible with versions 1.0.0 through 11.3.0 in all regions.

## What You Need

- The latest release of [Soundhax](http://soundhax.com) _(for your region, console, and version)_
  - If Soundhax appears in your browser as an unplayable video, press Ctrl+S or Cmd+S to save it to your computer
- 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)
- The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest) (the Luma3DS `.zip` file)
- The latest release of [universal-otherapp](https://github.com/TuxSH/universal-otherapp/releases/latest) (`otherapp.bin`)

## Instructions

### Section I - Prep Work

In this section, you will copy the files needed to trigger both Soundhax and universal-otherapp.

1. Power off your console
2. Włóż kartę SD do komputera
3. Skopiuj Soundhax `.m4a` do głównego katalogu twojej karty SD
   - 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
4. Copy `otherapp.bin` to the root of your SD card
5. Copy everything from the Luma3DS `.zip` to the root of your SD card
6. Stwórz folder o nazwie `boot9strap` w katalogu głównym karty SD
7. Skopiuj `boot9strap.firm` i `boot9strap.firm.sha` z boot9strap `.zip` do folderu `/boot9strap/` na karcie SD
8. Copy `SafeB9SInstaller.bin` from the SafeB9SInstaller `.zip` to the root of your SD card
9. Reinsert your SD card into your console
10. Power on your console

::: info

![](/images/screenshots/soundhax/soundhax-root-layout.png)

:::

::: info

![](/images/screenshots/boot9strap-folder.png)

:::

### Section II - Launching SafeB9SInstaller

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. Uruchom aplikację Nintendo 3DS Sound

   ::: info

   ![](/images/screenshots/soundhax/soundhax-welcome.png)

   :::

2. Jeśli uruchamiasz aplikację Nintendo 3DS Sound po raz pierwszy, dostaniesz kilka porad od papugi na temat jej używania, dojdź do ich końca, a następnie normalnie zamknij aplikację Nintendo 3DS Sound i uruchom ją ponownie
   - In this situation, launching Soundhax immediately would cause these tips to appear on every launch of the Nintendo 3DS Sound until this is done

3. Przejdź do `/SDCARD`, następnie odtwórz "<3 nedwill 2016"

   - 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
   - If you get a different error, [follow this troubleshooting guide](troubleshooting-soundhax)

   ::: info

   ![](/images/screenshots/soundhax/soundhax-launch.png)

   :::

4. Jeśli operacja zakończyła się pomyślnie, uruchomi się SafeB9SInstaller

### Section III - Installing boot9strap

In this section, you will install custom firmware onto your console.

1. When prompted, input the key combo given on the top screen to install boot9strap
   - 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)
2. Once it is complete, press (A) to reboot your console

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___

::: tip

Continue to [Finalizing Setup](finalizing-setup)

:::