---
title: "Homebrew Launcher (Steelhax)"
---

{% include toc title="目次" %}

{% capture technical_info %}
<summary><em>Technical Details (optional)</em></summary>
This method of using Seedminer for further exploitation uses your `movable.sed` file to write a custom save file for Steel Diver: Sub Wars, which can then be used to launch the Homebrew Launcher.
{% endcapture %}
<details>{{ technical_info | markdownify }}</details>
{: .notice--info}

This process will overwrite your Steel Diver: Sub Wars save file, if you have one. If you wish to preserve your Steel Diver: Sub Wars game data, you should make a backup of your `00000001.sav` file before overwriting it.
{: .notice--warning}

### 必要なもの

+ The game "Steel Diver: Sub Wars" installed on your device
  + If you have downloaded it before, you can [redownload it](https://en-americas-support.nintendo.com/app/answers/detail/a_id/607/~/how-to-download-or-redownload-content-in-nintendo-3ds-eshop)
  + Your SD card must be inserted in your device to install Steel Diver: Sub Wars
+ Your `movable.sed` file from completing [Seedminer](seedminer)
+ The latest release of [Steelhax](https://github.com/MechanicalDragon0687/vegaroxas.github.io/releases/download/1.0/steelhax-release.zip) (direct download)
+ The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest) (the Luma3DS `.zip` file)
+ [otherapps.zip]({{ base_path }}/assets/otherapps.zip) (direct download)

### 手順

#### セクション I - 準備

In this section, you will copy some of the files that will be used to launch the Homebrew Launcher.

1. デバイスの電源を切ります
1. パソコンにSDカードを入れます
1. `boot.firm` と `boot.3dsx` をLuma3DSの `.zip` からSDカードのルートにコピーします
  + SDカードのルートとは、Nintendo 3DSのフォルダなどがある最初の項目のことであり、フォルダの中ではありません。
1. Copy the `steelhax` folder from the `Steelhax-release.zip` to the root of your SD card
1. Copy the otherapp payload for your model/region/version from `otherapps.zip` to the root of your SD card, then rename the payload to `otherapp.bin`
  + Do not add the `.bin` extension if you do not already see it
1. Copy `movable.sed` from your computer to the root of your SD card
1. デバイスにSDカードを入れます
1. デバイスの電源を入れます

#### Section II - Steelminer

In this section, you will create a hacked Steel Diver: Sub Wars save file that, when used, will load the Homebrew Launcher on your device.

1. Launch "Steel Diver: Sub Wars" once and select a Mii to initialize your save file
  + Decline the game update when prompted
  + If you have already updated the game, use the Data Management menu of the System Settings to delete the update
1. Exit "Steel Diver: Sub Wars"
1. デバイスの電源を切ります
1. パソコンにSDカードを入れます
1. Open [the SteelHax Save Tool website](https://3dstools.nhnarwhal.com/#/steelhax) on your computer
1. Select your `movable.sed` file
1. Select your region based on your console
1. Select "Build and Download"
1. Wait for the process to complete
1. Navigate to `Nintendo 3DS` -> `<ID0>` -> `<32-character-id>` -> `title` -> `00040000` -> `<8-character-region>` -> `data` on your SD card
  + **EUR Region**: `000d7e00`
  + **JPN Region**: `000d7c00`
  + **USA Region**: `000d7d00`
1. Copy the new downloaded save file to the `data` folder on your SD card
  + Overwrite the old save file when prompted
1. デバイスにSDカードを入れます
1. デバイスの電源を入れます
1. Launch "Steel Diver: Sub Wars"
1. If the exploit was successful, your device will have booted into the Homebrew Launcher

#### Section III - Hardware Button Check

{% include_relative include/safemodecheck.txt %}

___

{% include_relative include/hbl-common-exploits-movable.txt %}