---
title: "Updating B9S"
---

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

### Required Reading

This page is for existing boot9strap users to update their installation of boot9strap to the latest version.

While we believe that custom firmware is safe for online use, there have been online network bans in the past, primarily for cheating and suspicious eShop behavior.
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### What You Need

* The latest release of [SafeB9SInstaller](https://github.com/d0k3/SafeB9SInstaller/releases/latest)
* The latest release of [boot9strap](https://github.com/SciresM/boot9strap/releases/latest) *(`boot9strap-1.3.zip`; not the `devkit` file, not the `ntr` file)*
* The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest)

### Instructions

#### Section I - Prep Work

For all steps in this section, overwrite any existing files on your SD card.
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1. Plaats je SD kaart in je computer
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 `SafeB9SInstaller.firm` from the SafeB9SInstaller `.zip` to the root of your SD card and rename it to `boot.firm`
  + If a `boot.firm` already exists, replace it
1. Stop je SD kaart terug in je 3DS

    ![]({{ "/images/screenshots/updateb9s-root-layout.png" | absolute_url }})
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#### Section II - Installing boot9strap

1. Zet je 3DS aan
  + This should automatically launch SafeB9SInstaller
1. Wait for all safety checks to complete
1. When prompted, input the key combo given to install boot9strap
1. Once it has completed, force your device to power off by holding down the power button
  + Your device will only boot to the SafeB9SInstaller screen until the next section is completed

#### Section III - Update Luma3DS

1. Plaats je SD kaart in je computer
1. Copy `boot.firm` and `boot.3dsx` from the Luma3DS `.zip` to the root of your SD card, replacing the existing file
1. Stop je SD kaart terug in je 3DS
1. Zet je 3DS aan

#### Section IV - Configuring Luma3DS

This section is only needed if you are prompted with the Luma3DS configuration menu after the reboot.
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1. In the Luma3DS configuration menu, use the (A) button and the D-Pad to turn on the following:    
  + **"Show NAND or user string in System Settings"**
1. Druk op (Start) om op te slaan en opnieuw op te starten

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