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# Updating B9S
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## Required Reading
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This page is for existing boot9strap users to update their installation of boot9strap to the latest version.
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## What You Need
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* The latest release of [SafeB9SInstaller ](https://github.com/d0k3/SafeB9SInstaller/releases/download/v0.0.7/SafeB9SInstaller-20170605-122940.zip ) (direct download)
* The latest release of [boot9strap ](https://github.com/SciresM/boot9strap/releases/download/1.4/boot9strap-1.4.zip ) (direct download)
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* The latest release of [Luma3DS ](https://github.com/LumaTeam/Luma3DS/releases/latest ) (the Luma3DS `.zip` file)
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## Instructions
### Section I - Prep Work
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::: info
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For all steps in this section, overwrite any existing files on your SD card.
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:::
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1. Insert your SD card into your 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
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1. Copy `SafeB9SInstaller.firm` from the SafeB9SInstaller `.zip` to the root of your SD card and rename it to `boot.firm`
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1. Reinsert your SD card into your console
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::: info
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![](/images/screenshots/updateb9s-root-layout.png)
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:::
### Section II - Installing boot9strap
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1. Power on your console
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+ This should automatically launch SafeB9SInstaller
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1. When prompted, input the key combo given on the top screen to install boot9strap
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+ If a step on the lower screen has red-colored text, and you are not prompted to input a key combo, [follow this troubleshooting guide ](troubleshooting-updating-b9s )
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1. Once it is completed, force your console to power off by holding down the power button
+ Your console will only boot to the SafeB9SInstaller screen until the next section is completed
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### Section III - Update Luma3DS
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1. Insert your SD card into your computer
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1. Copy everything from the Luma3DS `.zip` to the root of your SD card, replacing any existing files
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1. Reinsert your SD card into your console
1. Power on your console
1. If your console has booted into the Luma3DS configuration menu, press (Start) to save and reboot
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+ Luma3DS configuration menu are settings for the Luma3DS custom firmware. Many of these settings may be useful for customization or debugging
+ For the purpose of this guide, these settings will be left on default settings
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___
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::: tip
Continue to [Finalizing Setup ](finalizing-setup )
:::