---
title: "Installing boot9strap (2xrsa)"
---

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

### 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) *(standard boot9strap; not the `devkit` file, not the `ntr` file)*
* The latest release of [Luma3DS](https://github.com/AuroraWright/Luma3DS/releases/latest) 

### Instructions

#### Section I - Prep Work

1. Power off ye device
1. Insert ye SD card into ye computer
1. Copy `boot.firm` and `boot.3dsx` from the Luma3DS `.zip` to the root of your SD card
1. Create a folder named `boot9strap` on th' root 'o ye SD card
1. Copy `boot9strap.firm` 'n `boot9strap.firm.sha` from th' boot9strap `.zip` to th' `/boot9strap/` folder on ye SD card
1. Copy `arm9.bin` and `arm11.bin` from the SafeB9SInstaller `.zip` to the root of your SD card

    ![]({{ "/images/screenshots/boot9strap-2xrsa-file-layout.png" | absolute_url }})
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1. Reinsert ye SD card into ye device
1. Power on your device

#### Section II - Launching SafeB9SInstaller

1. Launch the browser and go to the following URL on your device
  + `http://2xrsa.hacks.guide`
  + If you are on a New 3DS, New 2DS, or Old 2DS and Wireless Communication is off, you can re-enable the wireless by removing the battery and unplugging the charger for several seconds then booting back up
  + If you get the error "This service is not available in your region", use the System Settings to set your device's country to match the NAND region you installed with 2.1.0 CTRTransfer
  + If you forgot to disable parental controls before CTRTransfering or otherwise cannot access wireless settings, note that the device will autoconnect to any network named `attwifi` with no password
  + If you get another error, [follow this troubleshooting guide](troubleshooting#a-browser-based-exploit-is-not-working)
1. If the exploit was successful, you will have booted into SafeB9SInstaller

#### Section III - Installing boot9strap

1. Wait fer all safety checks to be completed
1. When prompted, input th' key combo given to be installin' boot9strap
1. Once it has completed, press (A) to be rebootin' ye device

#### Section IV - Configuring Luma3DS

1. Ye device should have rebooted into th' Luma3DS configuration menu
  + If you get a black screen, [follow this troubleshooting guide](troubleshooting#black-screen-on-sysnand-boot-after-installing-boot9strap)
1. Use th' (A) button 'n th' D-Pad to turn on th' followin':
  + **"Show NAND or user string in System Settings"**
1. Press (Start) to save 'n reboot
  + If ye be gettin' an error, jus' continue to th' next page

___

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