Guide_3DS/_pages/ja_JP/installing-boot9strap-(mset).txt

---
title: "Installing boot9strap (MSET)"
---

If you have already hacked your device before and have a EmuNAND based CFW setup, this guide deals exclusively with SysNAND and you should follow all instructions from within or applying to SysNAND. EmuNANDとRedNANDは[同じ理論](http://3dbrew.org/wiki/NAND_Redirection)の少々違う実装です。
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To use the [magnet](https://en.wikipedia.org/wiki/Magnet_URI_scheme) links on this page, you will need a torrent client like [Deluge](http://dev.deluge-torrent.org/wiki/Download)
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#### 必要なもの

* The latest release of [SafeB9SInstaller](https://github.com/d0k3/SafeB9SInstaller/releases/latest)
* The latest release of [boot9strap](https://github.com/SciresM/boot9strap/releases/latest) *(standard boot9strap; not the `dev` file)*
* Homebrew [スターターキット](http://smealum.github.io/ninjhax2/starter.zip)
* Any DS flashcart that works on your device version

#### 手順

##### セクション I -　準備

1. Power off your device
1. パソコンにSDカードを入れます
1. `starter.zip` の_中身_をSDカード直下にコピーします
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.dat` from the SafeB9SInstaller `.zip` to the root of your SD card
1. Reinsert your SD card into your device
1. Copy `SafeB9SInstaller.nds` from the SafeB9SInstaller `.zip` to your DS flashcart
1. Power on your device

##### Section II - Launching SafeB9SInstaller

1. Start your DS flashcart from your device
1. Boot `SafeB9SInstaller.nds` using your flashcart
1. Select the correct option for your system version
  + 4.X.X -> "4.x SafeB9SInstaller"
  + 6.X.X -> "6.x SafeB9SInstaller"
1. Reboot the system, then go to System Settings, then "Other Settings", then "Profile", then "Nintendo DS Profile"
1. If the exploit was successful, you will have booted into SafeB9SInstaller

##### Section III - Installing boot9strap

1. Wait for all safety checks to complete
1. When prompted, input the key combo given to install boot9strap
1. Once it has completed, press (A) to reboot your device
1. Your device will boot into boot9strap, then shutdown automatically because it does not yet have a payload to launch
  + Your device will not boot until you continue with the next page's instructions; do not panic, this is normal

___

Continue to [Finalizing Setup](finalizing-setup)
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