---
title: "Restoring CFW"
---

{% include toc title="條目內容" %}

### 必讀事項

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

### 必備項目
* The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest)

### 操作說明

#### 第一節 — 準備工作

1. 將 SD 卡插入至電腦中
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. 將 SD 卡插回主機中

#### Section II - Configuring Luma3DS

1. Turn on your device
	* You should now see a Luma3DS configuration menu
1. 透過方向鍵及『A』以開啟下列選項：
	* **"Show NAND or user string in System Settings"**
1. 按『Start』鍵以存檔並重新啟動系統

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### 繼續至[完成安裝](finalizing-setup)
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