---
title: "Installing boot9strap (SafeB9SInstaller)"
---

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

### Required Reading

This is a currently working implementation of the "FIRM partitions known-plaintext" exploit detailed [here](https://www.3dbrew.org/wiki/3DS_System_Flaws).

### Instructions

#### 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
  + Hvis enheten fryser, kan du tvinge den til å skru seg av ved og holde av-knappen og så prøve igjen
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)
  + Hvis enheten fryser, kan du tvinge den til å skru seg av ved og holde av-knappen og så prøve igjen
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. Trykk (Start) for å lagre og starte på nytt
  + If you get an error, just continue the next page

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### Continue to [Finalizing Setup](finalizing-setup)
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