Guide_3DS/_pages/ko_KR/installing-boot9strap-(2xrsa).txt

---
title: "Installing boot9strap (2xrsa)"
---

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

### What you need

* The latest release of [SafeB9SInstaller](https://github.com/d0k3/SafeB9SInstaller/releases/latest){:target="_blank"}
* The latest release of [boot9strap](https://github.com/SciresM/boot9strap/releases/latest){:target="_blank"} *(standard boot9strap; not the `devkit` file, not the `ntr` file)*
* The latest release of [Luma3DS](https://github.com/AuroraWright/Luma3DS/releases/latest){:target="_blank"} *(the `.7z` file)*
* The latest release of [the Homebrew Launcher](https://github.com/fincs/new-hbmenu/releases)

### Instructions

#### Section I - Prep Work

1. 기기를 종료해 주세요.
1. SD 카드를 컴퓨터에 삽입해 주세요.
1. Copy `boot.firm` from the Luma3DS `.7z` to the root of your SD card
1. Copy `boot.3dsx` to the root of your SD card
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 `arm9.bin` and `arm11.bin` from the SafeB9SInstaller `.zip` to the root of your SD card

    ![]({{ "/images/screenshots/boot9strap-2xrsa-file-layout.png" | absolute_url }})
    {: .notice--info}

1. SD 카드를 기기에 다시 삽입해 주세요.
1. Power on your device

#### Section II - Launching SafeB9SInstaller

1. Launch the browser and go to the following URL on your device
  + `http://2xrsa.3ds.guide`
  + If you are on a New 3DS, New 2DS, or Old 2DS and Wireless Communication is off, you can re-enable the wireless by removing the battery and unplugging the charger for several seconds then booting back up
  + "서비스 불가능 지역입니다. (This service is not available in your region)" 오류가 뜬다면 본체 설정에서 기기의 국적을 2.1.0 CTRTransfer에서 설치한 NAND의 지역에 맞게 바꿔 주세요.
  + CTRTransfer 작섭 중 청소년 보호 기능을 끄는 것을 깜박했거나 다른 이유로 무선 통신 설정에 접속할 수 없다면, 기기가 `attwifi`라는 이름의 네트워크에 비밀번호 없이 자동으로 접속할 것이라는 것을 명심해 주세요.
  + If you get another error, [follow this troubleshooting guide](troubleshooting#a-browser-based-exploit-is-not-working)
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

#### Section IV - Configuring Luma3DS

1. Your device should have rebooted into the Luma3DS configuration menu
  + If you get a black screen, [follow this troubleshooting guide](troubleshooting#black-screen-on-sysnand-boot-after-installing-boot9strap)
1. Use the (A) button and the D-Pad to turn on the following:    
  + **"Show NAND or user string in System Settings"**
1. (start)를 눌러 저장하고 기기를 다시 시작해 주세요.
  + If you get an error, just continue the next page

___

New 3DS 2.1.0 users *must* [restore their NAND backup](godmode9-usage#nand_restore) before going to the [Finalizing Setup](finalizing-setup) page.
{: .notice--danger}

Continue to [Finalizing Setup](finalizing-setup)
{: .notice--primary}