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3DS Hacks Guide
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<li><ahref="#what-you-need"id="markdown-toc-what-you-need">What you need</a></li>
<li><ahref="#section-i---prep-work"id="markdown-toc-section-i---prep-work">Section I - Prep Work</a></li>
<li><ahref="#section-ii---processing-mii-qr-and-mining"id="markdown-toc-section-ii---processing-mii-qr-and-mining">Section II - Processing Mii QR and Mining</a></li>
<p>This method requires a reasonably powerful GPU (any dedicated graphics card made in the last few years) and the ability to use a command line. If you don’t know what those are or do not have the hardware necessary, join <ahref="https://discord.gg/MWxPgEp">Nintendo Homebrew on Discord</a>, open the “#mii-mining-assistance” channel and provide the following:</p>
<li>Your Mii QR code, uploaded directly to Discord (do not take a screenshot or a photo of the image, just send the HNI_XXXX.JPG image itself)</li>
<li>Your console’s ID0 (the name of the 32-character folder directly inside of Nintendo 3DS - see <ahref="https://3ds.hacks.guide/troubleshooting#seedminer">this troubleshooting section</a> if you have multiple)</li>
<p>To install boot9strap on your console, we derive your console’s unique encryption key. To accomplish this, we use a tool called Seedminer to calculate the data encryption key (movable.sed) for your console.</p>
<p>Because we do not have access to the Friends List, we are deriving the first part of <codeclass="language-plaintext highlighter-rouge">movable.sed</code> using a Mii QR code instead of by performing a two-way friend exchange.</p>
<p>For information on how Seedminer works, see <ahref="https://zoogie.github.io/web/34⅕c3">this presentation</a>.</p>
</details>
<h2id="instructions">Instructions</h2>
<pclass="notice--info">If you are on Linux or macOS, replace <codeclass="language-plaintext highlighter-rouge">py -3</code> with <codeclass="language-plaintext highlighter-rouge">python3</code> in all commands.</p>
<li>The latest release of <ahref="https://github.com/zoogie/seedminer/releases/latest">Seedminer</a> (the Seedminer .zip)</li>
<li>Any 3.x version of <ahref="https://www.python.org/downloads/">Python</a> installed
<ul>
<li>If you are on Linux, you likely already have Python 3. Check by opening a terminal and entering <codeclass="language-plaintext highlighter-rouge">python3 -V</code>. If this returns a version number, it will work for this guide.</li>
<li>Extract the contents of the Seedminer <codeclass="language-plaintext highlighter-rouge">.zip</code> and move the folder with your operating system’s name to anywhere on your PC
<li>Keep this location handy, as this Seedminer folder will be where multiple other files are placed</li>
</ul>
</li>
<li>In the Seedminer folder, hold SHIFT and right-click anywhere in the folder’s empty space, then click the option that opens Terminal, PowerShell, or Command Prompt</li>
<li>In the command line window, type <codeclass="language-plaintext highlighter-rouge">py -3 -m pip install pycryptodomex</code>, hit ENTER, and allow it to install
<li>If this command fails with the error <codeclass="language-plaintext highlighter-rouge">No module named pip</code>, you must manually install pip. The methods to do this can be found on <ahref="https://pip.pypa.io/en/stable/installation/">this page</a>.</li>
<li>Select a Mii Character <strong>that was created on this console, NOT imported from another console</strong> (make a new one first if you don’t have any), and press “OK”</li>
<li>Navigate to the <codeclass="language-plaintext highlighter-rouge">DCIM</code> folder on the SD card</li>
<li>Look for the QR Code, which will be a <codeclass="language-plaintext highlighter-rouge">.JPG</code> file starting with <codeclass="language-plaintext highlighter-rouge">HNI</code>
<ul>
<li>You may have many other files in here already if you use the Nintendo 3DS Camera app</li>
</ul>
</li>
<li>Copy this file to the Seedminer folder on your PC</li>
</ol>
<h3id="section-ii---processing-mii-qr-and-mining">Section II - Processing Mii QR and Mining</h3>
<p>In this section, you will turn the Mii QR code into a usable file and mine <codeclass="language-plaintext highlighter-rouge">movable.sed</code> with it.</p>
<ol>
<li>Open the <ahref="https://zoogie.github.io/web/miiqr/">editMii</a> website on your computer</li>
<li>Click on “Import from…”, then select “QR Code” and upload the Mii QR code from earlier</li>
<li>Click on “Export to…”, then select “encrypted (.bin)”
<ul>
<li>This will download a file named <codeclass="language-plaintext highlighter-rouge">input.bin</code></li>
</ul>
</li>
<li>Copy this <codeclass="language-plaintext highlighter-rouge">input.bin</code> to the Seedminer folder</li>
<li>Do not attempt to enter the ID0 manually, as it is easy to make a mistake. Ensure the ID0 is entered correctly by copying and pasting it from where you saved it in the previous section</li>
<li>Once it completes, enter the command <codeclass="language-plaintext highlighter-rouge">py -3 seedminer_launcher3.py mii <model><year></code>
<li>Replace <codeclass="language-plaintext highlighter-rouge"><model></code> with the model of your console (<codeclass="language-plaintext highlighter-rouge">new</code> or <codeclass="language-plaintext highlighter-rouge">old</code>) - if you aren’t sure, only models with the ZL/ZR buttons and C-Stick are “new”</li>
<li>Replace <codeclass="language-plaintext highlighter-rouge"><year></code> with the year the 3DS was made (On Old 3DS consoles, the years on the backplate, (M)2010/(C)2011, are always the same and NOT an indicator) - if you aren’t sure, see below</li>
<li>Estimate manufacturing years are: Old 3DS 2011, Old 3DS XL 2013, Old 2DS 2015, New 3DS 2016, New 3DS XL 2016, New 2DS XL 2017</li>
<li>You can also leave the year empty, which will make it start in the middle</li>
<li>The first stage will likely max out at roughly offset 1500, depending on console model</li>
<li>If the second stage (after seeing <codeclass="language-plaintext highlighter-rouge">movable_part2.sed generation success</code>) gets past offset 100, verify that you input the correct ID0. If your ID0 is correct, you cannot use this method and will have to update to the latest version and see if a non-Seedminer method is available for you <ahref="alternate-exploits">here</a></li>
<li>If you see the message <codeclass="language-plaintext highlighter-rouge">input.bin is invalid size</code>, remake the <codeclass="language-plaintext highlighter-rouge">input.bin</code> using your QR Code. If it <em>still</em> fails, open a different browser and remake the <codeclass="language-plaintext highlighter-rouge">input.bin</code> there</li>
<li>If you see the message <codeclass="language-plaintext highlighter-rouge">LFCS has been left blank</code>, use the opposite console model (e.g. <codeclass="language-plaintext highlighter-rouge">mii old</code> instead of <codeclass="language-plaintext highlighter-rouge">mii new</code>)</li>
