Guide_3DS/_pages/ms_MY/homebrew-launcher-(steelhax).txt

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

{% include toc title="Table of Contents" %}

{% 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}

### What You Need

+ 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)

### Instructions

#### Section I - Prep Work

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

1. Power off your device
1. Pasang kad SD anda ke dalam komputer
1. Copy `boot.firm` and `boot.3dsx` from the Luma3DS `.zip` to the root of your SD card
  + 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
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. Reinsert your SD card into your device
1. Power on your device

#### 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. Power off your device
1. Pasang kad SD anda ke dalam komputer
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. Reinsert your SD card into your device
1. Power on your device
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 %}