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3DS Hacks Guide
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<p>safecerthax is compatible with all Old 3DS and Old 2DS devices in all regions on system versions 1.0.0 through 11.14.0.</p>
<pclass="notice--info">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.</p>
<h3id="what-you-need">What You Need</h3>
<ul>
<li>The latest release of <ahref="https://github.com/d0k3/SafeB9SInstaller/releases/download/v0.0.7/SafeB9SInstaller-20170605-122940.zip">SafeB9SInstaller</a> (direct download)</li>
<li>The latest release of <ahref="https://github.com/SciresM/boot9strap/releases/download/1.4/boot9strap-1.4.zip">boot9strap</a> (direct download)</li>
<li>The latest release of <ahref="https://github.com/LumaTeam/Luma3DS/releases/latest">Luma3DS</a> (the Luma3DS .zip file)</li>
</ul>
<h3id="instructions">Instructions</h3>
<h4id="section-i---hardware-button-check">Section I - Hardware Button Check</h4>
<pclass="notice--warning">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 <ahref="seedminer">Seedminer</a> instead.</p>
<h4id="section-ii---prep-work">Section II - Prep Work</h4>
<p>In this section, you will copy the files needed to trigger the safecerthax exploit.</p>
<ol>
<li>Insert your SD card into your computer</li>
<li>Copy <codeclass="language-plaintext highlighter-rouge">boot.firm</code> and <codeclass="language-plaintext highlighter-rouge">boot.3dsx</code> from the Luma3DS <codeclass="language-plaintext highlighter-rouge">.zip</code> to the root of your SD card
<ul>
<li>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</li>
</ul>
</li>
<li>Create a folder named <codeclass="language-plaintext highlighter-rouge">boot9strap</code> on the root of your SD card</li>
<li>Copy <codeclass="language-plaintext highlighter-rouge">boot9strap.firm</code> and <codeclass="language-plaintext highlighter-rouge">boot9strap.firm.sha</code> from the boot9strap <codeclass="language-plaintext highlighter-rouge">.zip</code> to the <codeclass="language-plaintext highlighter-rouge">/boot9strap/</code> folder on your SD card</li>
<li>Copy <codeclass="language-plaintext highlighter-rouge">SafeB9SInstaller.bin</code> from the SafeB9SInstaller <codeclass="language-plaintext highlighter-rouge">.zip</code> to the root of your SD card</li>
<li>Reinsert your SD card into your device</li>
<li>Power on your device</li>
</ol>
<h4id="section-iii---safecerthax-proxy">Section III - safecerthax proxy</h4>
<p>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.</p>
<pclass="notice--info">If you haven’t already, make sure you have a working Internet connection set up on your console.</p>
<ol>
<li>Launch the System Settings application</li>
<li>Navigate to <codeclass="language-plaintext highlighter-rouge">Internet Settings</code> -><codeclass="language-plaintext highlighter-rouge">Connection Settings</code></li>
<li>Click on your network connection slot and navigate to <codeclass="language-plaintext highlighter-rouge">Change Settings</code> -><codeclass="language-plaintext highlighter-rouge">Next Page (right arrow)</code> -><codeclass="language-plaintext highlighter-rouge">Proxy Settings</code></li>
<li>Set “Proxy Settings” to “Yes”, then click <codeclass="language-plaintext highlighter-rouge">Detailed Setup</code></li>
<li>Set the Proxy Server to <codeclass="language-plaintext highlighter-rouge">192.9.234.11</code>, and the Port to <codeclass="language-plaintext highlighter-rouge">8080</code></li>
<li>Click OK, then click Save</li>
<li>When prompted, click “Test” to perform the connection test
<h4id="section-iv---safecerthax">Section IV - safecerthax</h4>
<p>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.</p>
<ol>
<li>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
<ul>
<li>Keep holding the buttons until the device boots into Safe Mode (a “system update” menu)</li>
</ul>
</li>
<li>Press “OK” to accept the update
<ul>
<li>There is no update. This is part of the exploit</li>
</ul>
</li>
<li>Press “I accept” to accept the terms and conditions</li>
<li>The update will eventually fail, with the error code <codeclass="language-plaintext highlighter-rouge">003-1099</code>. This is intended behaviour</li>
<li>Press “OK” to close the error message</li>
<li>If the exploit was successful, you will have booted into SafeB9SInstaller
<ul>
<li>If the device freezes or crashes, force power off the device, then retry this section</li>
</ul>
</li>
</ol>
<h4id="section-v---installing-boot9strap">Section V - Installing boot9strap</h4>
<p>In this section, you will install custom firmware onto your device.</p>
<li>When prompted, input the key combo given on the top screen to install boot9strap
<ul>
<li>If a step on the lower screen has red-colored text, and you are not prompted to input a key combo, <ahref="troublshooting#issues-with-safeb9sinstaller">follow this troubleshooting guide</a></li>
<li>Once it is complete, press (A) to reboot your device</li>
<li>Your device should have booted into the Luma3DS configuration menu
<ul>
<li>Luma3DS configuration menu are settings for the Luma3DS custom firmware. Many of these settings may be useful for customization or debugging</li>
<li>For the purpose of this guide, <strong>leave these options on the default settings</strong> (do not check or uncheck anything)</li>
<li>If your device shuts down when you try to power it on, ensure that you have copied <codeclass="language-plaintext highlighter-rouge">boot.firm</code> from the Luma3DS <codeclass="language-plaintext highlighter-rouge">.zip</code> to the root of your SD card</li>
</ul>
</li>
<li>Press (Start) to save and reboot</li>
</ol>
<p>At this point, your console will boot to Luma3DS by default.</p>
<ul>
<li>Luma3DS does not look any different from the normal HOME Menu. If your console has booted into the HOME Menu, it is running custom firmware.</li>
<li>On the next page, you will install useful homebrew applications to complete your setup.</li>
</ul>
<h4id="section-vi---restoring-default-proxy">Section VI - Restoring default proxy</h4>
<p>In this section, you will restore the Internet settings back to normal.</p>
<ol>
<li>Launch the System Settings application</li>
<li>Navigate to <codeclass="language-plaintext highlighter-rouge">Internet Settings</code> -><codeclass="language-plaintext highlighter-rouge">Connection Settings</code></li>
<li>Click on your network connection slot and navigate to <codeclass="language-plaintext highlighter-rouge">Change Settings</code> -><codeclass="language-plaintext highlighter-rouge">Next Page (right arrow)</code> -><codeclass="language-plaintext highlighter-rouge">Proxy Settings</code></li>
<li>Set “Proxy Settings” to “No”</li>
<li>Click OK, then click Save</li>
<li>When prompted, click “Test” to perform the connection test
<ul>
<li>The test should succeed</li>
</ul>
</li>
<li>Power off your device</li>
</ol>
<hr/>
<h3class="notice--primary"id="continue-to-finalizing-setup">Continue to <ahref="finalizing-setup">Finalizing Setup</a></h3>
