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

{% include toc title="목차" %}

### 준비물

* 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 `devkit` file, not the `ntr` file)*
* The latest release of [Luma3DS](https://github.com/AuroraWright/Luma3DS/releases/latest) 

### 진행 방법

#### 섹션 I - 준비 작업

1. 기기를 종료해 주세요
1. SD 카드를 컴퓨터에 삽입해 주세요
1. Copy `boot.firm` and `boot.3dsx` from the Luma3DS `.zip` 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. 기기를 시작해 주세요.

#### 섹션 II - SafeB9SInstaller 실행

1. Launch the browser and go to the following URL on your device
  + `http://2xrsa.hacks.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
  + If you get the error "This service is not available in your region", use the System Settings to set your device's country to match the NAND region you installed with 2.1.0 CTRTransfer
  + If you forgot to disable parental controls before CTRTransfering or otherwise cannot access wireless settings, note that the device will autoconnect to any network named `attwifi` with no password
  + 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

#### 섹션 III - boot9strap 설치

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

#### 섹션 IV - Luma3DS 설정

1. 여러분의 기기는 Luma3DS 구성 메뉴로 리부팅 됬을 것입니다.
  + 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

___

### [마무리 단계] (finalizing-setup) 로 계속합니다
{: .notice--primary}