---
title: "Restoring / Updating CFW"
---

{% include toc title="목차" %}

### Required Reading

This page prepares consoles with an existing modern boot9strap installation for reinstallation and/or updating of custom firmware applications. It can also be used in the event of a lost or corrupted SD card.

### 준비물
* The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest)
* The latest release of [GodMode9](https://github.com/d0k3/GodMode9/releases/latest)

### 진행 방법

#### 섹션 I - 준비 작업

1. SD 카드를 컴퓨터에 삽입해 주세요
1. Copy `boot.3dsx` and `boot.firm` 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 `GodMode9.firm` from the GodMode9 `.zip` to the `/luma/payloads/` folder on your SD card, replacing any existing file
  + If the `luma` or `payloads` folder doesn't exist, create them
1. Copy the `gm9` folder from the GodMode9 `.zip` to the root of your SD card, merging it with any existing folder and replacing any existing files
1. SD 카드를 기기에 다시 삽입해 주세요.

#### Section II - Configuring Luma3DS

1. Turn on your device
	* You should now see a Luma3DS configuration menu
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

#### Section III - CTRNAND Luma3DS

1. 기기를 종료해 주세요.
1. Press and hold (Start), and while holding (Start), power on your device. This will launch GodMode9
  + If you do not boot into GodMode9, ensure that GodMode9.firm is in /luma/payloads/ and that payloads is correctly spelled
1. If you are prompted to fix the RTC date&time, press (A) to do so, then set the date and time, then press (A) to continue
1. (Home)을 눌러 작업 메뉴를 띄워 주세요.
1. Select "Scripts..."
1. Select "GM9Megascript"
1. Select "Scripts from Plailect's Guide"
1. Select "Setup Luma3DS to CTRNAND"
  + This will copy the updated version of Luma3DS to internal memory so that your device will be able to boot without an SD card inserted
1. When prompted, press (A) to proceed
1. (A)를 눌려 SysNAND (lvl1) 쓰기 잠금을 풀고 주어진 키 조합을 입력해 주세요.
1. (A)를 눌러 진행해 주세요.
1. Press (B), then navigate to "Exit" to exit GM9Megascript
  + When prompted, relock write permissions
1. (Home)을 눌러 작업 메뉴를 띄워 주세요.
1. Select "Poweroff system" to power off your device

The latest version of Luma3DS has been installed on your SD card and on internal memory.
{: .notice--success}
___

If you wish to re-install or update other homebrew applications, continue to [Finalizing Setup](finalizing-setup)
{: .notice--primary}