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

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<summary><em>Technical Details (optional)</em></summary>
For technical details on the exploit that you will be using on this page, see [here](https://github.com/MrNbaYoh/safecerthax).

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<details>{{ technical_info | markdownify }}</details>
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### Compatibility Notes

safecerthax is compatible with all Old 3DS and Old 2DS devices in all regions on system versions 1.0.0 through 11.14.0. 

This exploit will not work on the New 3DS, New 3DS XL, or New 2DS XL. Please ensure that the device you are modding is an Old 3DS, Old 3DS XL, or Old 2DS before continuing.
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### Ce aveți nevoie

* 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)
* The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest) (the Luma3DS .zip file)

### Instrucțiuni

#### Section I - Hardware Button Check

{% include_relative include/safemodecheck.txt %}

If you do not boot into Safe Mode, the system update menu after multiple attempts, you cannot follow this method. If this is the case, use [Seedminer](seedminer) instead.
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#### Secțiunea II - Preparații

In this section, you will copy the files needed to trigger the safecerthax exploit.

1. Introduceți cardul SD în calculator
1. Copiați `boot.firm` și `boot.3dsx` de la Luma3DS `.zip` pe rădăcina cardului SD
  + The root of the SD card refers to the initial directory on your SD card where you can see the Nintendo 3DS folder, but are not inside of it
1. Creați un folder numit `boot9strap` pe rădăcina cardului SD
1. Copiați `boot9strap.firm` și `boot9strap.firm.sha` din arhiva `.zip` boot9strap în folderul `/boot9strap/` de pe cardul SD
1. Copy `SafeB9SInstaller.bin` from the SafeB9SInstaller `.zip` to the root of your SD card
1. Reintroduceți cardul SD în dispozitivul dumneavoastră
1. Porniți dispozitivul

#### Section III - safecerthax proxy

In this section, you will change your Internet connection settings to use a proxy network designed to exploit the System Update feature of your device.

{% include_relative include/addproxy.txt %}
1. Închideți dispozitivul

#### Section IV - safecerthax

In this section, you will enter Safe Mode (a feature available on all 3DS family devices) where safecerthax will be triggered, which will launch you into the boot9strap (custom firmware) installer.

1. With your device still powered off, hold the following buttons: (Left Shoulder) + (Right Shoulder) + (D-Pad Up) + (A), and while holding these buttons together, power on your device
  + Keep holding the buttons until the device boots into Safe Mode (a "system update" menu)
1. Press "OK" to accept the update
  + There is no update. This is part of the exploit
1. Press "I accept" to accept the terms and conditions
1. The update will eventually fail, with the error code `003-1099`. This is intended behaviour
1. Press "OK" to close the error message
1. Dacă exploit-ul a avut succes, veți porni în SafeB9SInstaller
  + If the device freezes or crashes, force power off the device, then retry this section

#### Section V - Installing boot9strap

{% include_relative include/install-boot9strap-safeb9sinstaller.txt %}
{%- include_relative include/configure-luma3ds.txt %}

{% include_relative include/luma3ds-installed-note.txt %}

#### Section VI - Restoring default proxy

{% include_relative include/rmproxy.txt %}

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### Continuați la [Finalizând instalarea](finalizing-setup)
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