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3DS Hacks Guide
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<p>The file <codeclass="language-plaintext highlighter-rouge">boot.firm</code> is what is launched by boot9strap itself after it finishes loading off of NAND. In this case, we are using Luma3DS by <ahref="https://github.com/LumaTeam/">LumaTeam</a> to patch the console, allowing it to run homebrew software.</p>
<p>On this page, we will make critical system file backups and install some homebrew programs. Most of these steps will be automated using a script that you will run on your console.</p>
<li><strong><ahref="https://github.com/FlagBrew/Checkpoint">Checkpoint</a></strong><em>(backs up and restores save files for 3DS and DS games)</em></li>
<li><strong><ahref="https://github.com/mtheall/ftpd">ftpd</a></strong><em>(access your 3DS SD card wirelessly)</em></li>
<li><strong><ahref="https://github.com/Universal-Team/Universal-Updater/">Universal-Updater</a></strong><em>(a homebrew app store for downloading homebrew from the 3DS over Wi-Fi)</em></li>
<li><strong><ahref="https://github.com/d0k3/GodMode9">GodMode9</a></strong><em>(multipurpose tool which can do NAND and cartridge functions)</em></li>
<p>If you don’t want one of these applications, you can remove them after you have finished this page by navigating to System Settings -> Data Management -> Nintendo 3DS -> Software. (GodMode9 cannot be removed in this way and is generally required for other functions.)</p>
<pclass="notice--warning">If your <strong>New 3DS</strong> was on version 2.1.0 before following this guide, you should <ahref="godmode9-usage#restoring-a-nand-backup">restore your NAND backup</a> before continuing. This likely doesn’t apply to you unless you were following this guide in 2017.</p>
<pclass="notice--info">If your previous CFW setup was EmuNAND-based and you wish to move the contents of your EmuNAND/RedNAND to SysNAND, follow <ahref="move-emunand">Move EmuNAND</a> before following this page. If you don’t know what an EmuNAND is, this doesn’t apply to you.</p>
<p>Als zusätzliche Sicherheitsmaßnahme führen wir eine zusätzliche Überprüfung auf Custom Firmware durch. If custom firmware is not installed by this point for any reason, the next section may render your console unable to be hacked without external hardware.</p>
<pclass="notice--danger">If you do NOT boot into the Luma3DS configuration menu, custom firmware was not installed on your console. Join <ahref="https://discord.gg/MWxPgEp">Nintendo Homebrew on Discord</a> and ask, in English, for help.</p>
<li>The updater may display a message saying “Your system is up to date” instead of updating. This is normal if you are already up to date; continue to the next section</li>
<li>If this gives you an error, set both your DNS settings and Proxy settings to “Auto”</li>
<h4id="section-iii---prep-work">Section III - Prep Work</h4>
<p>In this section, you will copy the files necessary to follow the rest of the instructions on this page.</p>
<ol>
<li>Power off your console</li>
<li>Stecke deine SD-Karte in deinen Computer</li>
<li>Copy the contents of <codeclass="language-plaintext highlighter-rouge">finalizing.zip</code> (<codeclass="language-plaintext highlighter-rouge">finalize</code>, <codeclass="language-plaintext highlighter-rouge">gm9</code>, and <codeclass="language-plaintext highlighter-rouge">luma</code>) to the root of your SD card, merging/replacing any existing folders if prompted
<ul>
<li>If you are using a Mac, hold the Option key while dragging the folders to the root of your SD card, then click “Merge”</li>
</ul>
</li>
<li>Delete <codeclass="language-plaintext highlighter-rouge">boot.firm</code> and <codeclass="language-plaintext highlighter-rouge">boot.3dsx</code> from the root of the SD card</li>
<li>Copy <codeclass="language-plaintext highlighter-rouge">boot.firm</code> and <codeclass="language-plaintext highlighter-rouge">boot.3dsx</code> from the latest Luma3DS <codeclass="language-plaintext highlighter-rouge">.zip</code> (the one you just downloaded) to the root of the SD card, replacing any existing files if prompted</li>
<li>Reinsert your SD card into your console</li>
</ol>
<p>The screenshot below indicates the minimum SD card layout that is required to follow this page. You may have extra files or folders on your SD card, depending on your previous setup or the method that you followed.</p>
<p>In this section, you will sync your 3DS internal clock with the actual time and dump the sound firmware (which is necesssary for some homebrew software to use sound properly).</p>
<li>If one of these buttons is broken, download <ahref="/assets/config.ini">config.ini</a> and put it in your <codeclass="language-plaintext highlighter-rouge">luma</code> folder, replacing the existing one. This will change the Rosalina menu key combination to (X) + (Y)</li>
<li>If you do not boot into GodMode9, ensure that you copied the three folders from <codeclass="language-plaintext highlighter-rouge">finalizing.zip</code> to the root of your SD card and that the folders are not misnamed (e.g. <codeclass="language-plaintext highlighter-rouge">luma (1)</code>)</li>
<li>Wenn du aufgefordert wirst, ein “essential files backup” durchzuführen, drücke (A). Drücke erneut (A) nachdem es abgeschlossen ist</li>
<li>Wenn du aufgefordert wirst Datum und Uhrzeit der “RTC” (Real Time Clock, Echtzeituhr) zu korrigieren, drücke (A), stelle Datum und Uhrzeit ein und drücke (A) um fortzufahren</li>
<li>Drücke (Home), um das Aktionsmenü aufzurufen</li>
<li>If you encounter an error, follow the instructions in the error message or consult the <ahref="troubleshooting#finalizing-setup">troubleshooting</a> page</li>
<li>This folder contains critical file backups and should be backed up to multiple locations (i.e. cloud storage) if possible</li>
<li>The two SysNAND files are your NAND backup and can be used to revert your console to a working state if it is bricked by a software issue</li>
<li>The <codeclass="language-plaintext highlighter-rouge">essential.exefs</code> file contains your console’s system-unique files and can be used to recover your data in the event of a hardware failure</li>
<li>If you still have them, delete the two <codeclass="language-plaintext highlighter-rouge">SysNAND</code> files from the <codeclass="language-plaintext highlighter-rouge">/gm9/backups/</code> folder from your SD card
<ul>
<li>The <codeclass="language-plaintext highlighter-rouge">essential.exefs</code> file is small and may be kept on your SD card for ease of access</li>
<pclass="notice--info">Trying to figure out what to do with your newly modded device? Visit <ahref="https://wiki.hacks.guide/wiki/3DS:Things_to_do">our wiki</a>!</p>
<p>Here are some key combos that you should know:</p>
<ul>
<li>Holding (Select) on boot will launch the Luma3DS configuration menu.</li>
<li>Holding (Start) on boot will launch GodMode9, or if you have multiple payloads in <codeclass="language-plaintext highlighter-rouge">/luma/payloads/</code>, the Luma3DS chainloader.</li>
<li>By default, pressing (Left Shoulder) + (Down D-Pad) + (Select) while in 3DS mode will open the Rosalina menu, where you can check system information, take screenshots, enable cheats, and more. This can be changed from the Rosalina menu.</li>
<li>Holding (Start) + (Select) + (X) on boot will make the notification LED show a color for debug purposes. See the <ahref="https://github.com/SciresM/boot9strap/releases/tag/1.4">changelog</a> for a list.</li>
</ul>
</div>
<pclass="notice--info">For information on using GodMode9’s various features, check out the <ahref="godmode9-usage">GodMode9 Usage</a> and <ahref="dumping-titles-and-game-cartridges">Dumping Titles and Game Cartridges</a> pages.</p>
