---
title: "Installing boot9strap (Homebrew Launcher)"
---

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

### Required Reading

如果你的3DS之前已经破解并安装了基于虚拟系统（EnuNAND）的自制系统（CFW），请务必注意本教程仅适用于真实系统（SysNAND），并且教程内的所有步骤都应当在你的真实系统（SysNAND）上进行。 注意EmuNAND和RedNAND是[同一概念](http://3dbrew.org/wiki/NAND_Redirection)的两种略微不同的实现。

### 操作步骤

#### Section I - Launching SafeB9SInstaller

1. Launch udsploit from the list of homebrew
1. Once it has completed, press (Start) to exit udsploit
  + This may take several tries
  + 如果直接启动 SoundHax，会让这些提示每次都跳出来，除非你先跳过提示，然后再正常重新启动播放程式
1. Launch safehax from the list of homebrew
  + If you get a "PM INIT FAILED" error, make sure you ran udsploit with Wireless Communication turned on
  + If you *still* get a "PM INIT FAILED" error, try using the [r19 release of safehax](https://github.com/TiniVi/safehax/releases/tag/r19)
  + 如果直接启动 SoundHax，会让这些提示每次都跳出来，除非你先跳过提示，然后再正常重新启动播放程式
1. If the exploit was successful, you will have booted into SafeB9SInstaller

#### Section II - 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 III - 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. Press (Start) to save and reboot
  + If you get an error, just continue the next page

___

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