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3DS Hacks Guide
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<h3id="sighaxed-firm-was-not-installed-check-lower-screen-for-more-info">『SigHaxed FIRM was not installed!』 Check lower screen for more info.</h3>
<details>
<summary><u>SigHaxed FIRM - File not found</u></summary>
<p>你忘記把 <codeclass="language-plaintext highlighter-rouge">boot9strap.firm</code> 和 <codeclass="language-plaintext highlighter-rouge">boot9strap.firm.sha</code> 放進 SD 卡根目錄的 <codeclass="language-plaintext highlighter-rouge">boot9strap</code> 資料夾，或建立 <codeclass="language-plaintext highlighter-rouge">boot9strap</code> 資料夾的時候打錯了名字。 Download the latest release of <ahref="https://github.com/SciresM/boot9strap/releases/download/1.4/boot9strap-1.4.zip">boot9strap</a>, and place <codeclass="language-plaintext highlighter-rouge">boot9strap.firm</code> and <codeclass="language-plaintext highlighter-rouge">boot9strap.firm.sha</code> in the <codeclass="language-plaintext highlighter-rouge">boot9strap</code> folder.</p>
<p>你的 <codeclass="language-plaintext highlighter-rouge">boot9strap.firm</code> 和 <codeclass="language-plaintext highlighter-rouge">boot9strap.firm.sha</code> 檔案有問題。 Re-download the latest release of <ahref="https://github.com/SciresM/boot9strap/releases/download/1.4/boot9strap-1.4.zip">boot9strap</a>, and place <codeclass="language-plaintext highlighter-rouge">boot9strap.firm</code> and <codeclass="language-plaintext highlighter-rouge">boot9strap.firm.sha</code> in the <codeclass="language-plaintext highlighter-rouge">boot9strap</code> folder.</p>
</details>
<details>
<summary><u>Secret Sector - File not found</u></summary>
<p>This occurs when you use your SD card in multiple 3DS devices and is intended to prevent inadvertently merging data that would not be valid on other devices. 若要確定哪個資料夾屬於您 3DS 的，請按照以下說明操作：</p>
<p>The website has determined that your <codeclass="language-plaintext highlighter-rouge">movable.sed</code> cannot be brute-forced. Ensure that you gave the correct ID0 to the website. If your ID0 is correct, then you will be unable to use Seedminer and you will have to use an alternate method.</p>
<p>If you have a New 3DS / New 3DS XL / New 2DS XL (as indicated by the four shoulder buttons on the back and the C-Stick on the right), you can follow <ahref="homebrew-launcher-(super-skaterhax)">Homebrew Launcher (super-skaterhax)</a>. Otherwise, you will need to follow a method that requires additional games or hardware.</p>
<p>This can occur if you’ve used multiple SD cards on a 3DS and then merged the contents of the SD cards together. This is done to prevent conflicting, valid data from being merged together.</p>
<p>To fix this, you will need to determine which folder contains your data. Usually, this will be the larger (or largest) of the folders. Backup and delete the smaller one(s), then create a <codeclass="language-plaintext highlighter-rouge">Nintendo DSiWare</code> folder in the one that remains and move <codeclass="language-plaintext highlighter-rouge">F00D43D5.bin</code> to that location.</p>
</details>
<details>
<summary><u>DSiWare Management menu crashes without showing BB3 multihax menu</u></summary>
<p>確保 <codeclass="language-plaintext highlighter-rouge">F00D43D5.bin</code> 是 <codeclass="language-plaintext highlighter-rouge">Nintendo 3DS</code> -><codeclass="language-plaintext highlighter-rouge"><ID0></code> -><codeclass="language-plaintext highlighter-rouge"><ID1></code> -><codeclass="language-plaintext highlighter-rouge">Nintendo DSiWare</code> 裡面的唯一檔案。 If it is, then re-create it with the <ahref="http://3dstools.nhnarwhal.com/#/bb3gen">Bannerbomb3 Injector</a>.</p>
<p>Also, ensure that <codeclass="language-plaintext highlighter-rouge">bb3.bin</code> is on the root of the SD card. If it is missing, then download the latest release of <ahref="https://github.com/lifehackerhansol/Bannerbomb3/releases/download/v3.0-lhs1/bb3.bin">Bannerbomb3</a> (direct download), and copy the <codeclass="language-plaintext highlighter-rouge">bb3.bin</code> file to the root of your SD card.</p>
<p>If neither of these solutions fixes this problem, then custom firmware may have been uninstalled on this device in a way that makes this method impossible to perform. If this is the case, join <ahref="https://discord.gg/MWxPgEp">Nintendo Homebrew on Discord</a> and ask, in English, for help.</p>
</details>
<details>
<summary><u>DSiWare Management menu displays "No accessible software data."</u></summary>
<summary><u>DSiWare Management shows a question mark</u></summary>
<p>您所使用的 <codeclass="language-plaintext highlighter-rouge">F00D43D5.bin</code> 檔案可能有問題(損壞或用於錯誤的 3DS 主機)。 Re-create your <codeclass="language-plaintext highlighter-rouge">F00D43D5.bin</code> file with the <ahref="http://3dstools.nhnarwhal.com/#/bb3gen">Bannerbomb3 Injector</a>, ensuring that you use the <codeclass="language-plaintext highlighter-rouge">movable.sed</code> file for your console.</p>
<summary><u>Safe Mode system update succeeds instead of giving error 003-1099</u></summary>
<p>unSAFE_MODE is not installed. <ahref="installing-boot9strap-(usm)">Follow the instructions</a> to install it.</p>
</details>
<details>
<summary><u>Red screen after selecting "Detailed Setup"</u></summary>
<p>The file <codeclass="language-plaintext highlighter-rouge">usm.bin</code> is missing or misplaced. Download the latest release of <ahref="https://github.com/zoogie/unSAFE_MODE/releases/download/v1.3/usm.bin">unSAFE_MODE</a> and place <codeclass="language-plaintext highlighter-rouge">usm.bin</code> on the root of your SD card. 如果您的電腦沒有顯示 <codeclass="language-plaintext highlighter-rouge">.bin</code> 的副檔名，請勿手動新增。</p>
<p>There is also a possibility that the console isn’t reading your SD card. Make sure it is inserted and formatted correctly.</p>
</details>
<details>
<summary><u>Failed to open SafeB9SInstaller.bin</u></summary>
<p><codeclass="language-plaintext highlighter-rouge">SafeB9SInstaller.bin</code> 檔案遺失或放在了錯誤的位置。 Download the latest release of <ahref="https://github.com/d0k3/SafeB9SInstaller/releases/download/v0.0.7/SafeB9SInstaller-20170605-122940.zip">SafeB9SInstaller</a>, extract it, and place <codeclass="language-plaintext highlighter-rouge">SafeB9SInstaller.bin</code> on the root of your SD card. 如果您的電腦沒有顯示 <codeclass="language-plaintext highlighter-rouge">.bin</code> 的副檔名，請勿手動新增。</p>
</details>
<details>
<summary><u>Failed to mount the SD card!</u></summary>
<p>Back up your data and reformat your SD card as FAT32 with the recommended tool depending on your operating system (<ahref="formatting-sd-(windows)">Windows</a>, <ahref="formatting-sd-(mac)">macOS</a>, <ahref="formatting-sd-(linux)">Linux</a>). MiniTool Partition Wizard and the HP formatting tool (HPUSBDisk) are known to cause issues with 3DS SD cards.</p>
<summary><u>Unable to select "Haxxxxxxxxx!" because the BB3 multihax menu appears</u></summary>
<p>You forgot to delete <codeclass="language-plaintext highlighter-rouge">F00D43D5.bin</code> from the SD card. Navigate to <codeclass="language-plaintext highlighter-rouge">Nintendo 3DS</code> -><codeclass="language-plaintext highlighter-rouge"><ID0></code> -><codeclass="language-plaintext highlighter-rouge"><ID1></code> -><codeclass="language-plaintext highlighter-rouge">Nintendo DSiWare</code> on your SD card and delete the <codeclass="language-plaintext highlighter-rouge">F00D43D5.bin</code> file.</p>
</details>
<details>
<summary><u>"Haxxxxxxxxx!" does not appear</u></summary>
<p>您所使用的 <codeclass="language-plaintext highlighter-rouge">42383821.bin</code> 檔案有問題(有問題、放錯位置或者損壞)。 Re-create your files with the <ahref="https://jenkins.nelthorya.net/job/DSIHaxInjector_new/build?delay=0sec">DSIHaxInjector_new</a> website and ensure that you place the <codeclass="language-plaintext highlighter-rouge">42383821.bin</code> file from <codeclass="language-plaintext highlighter-rouge">output.zip</code> -><codeclass="language-plaintext highlighter-rouge">hax</code> in <codeclass="language-plaintext highlighter-rouge">Nintendo 3DS</code> -><codeclass="language-plaintext highlighter-rouge"><ID0></code> -><codeclass="language-plaintext highlighter-rouge"><ID1></code> -><codeclass="language-plaintext highlighter-rouge">Nintendo DSiWare</code>.</p>
<summary><u>Red/purple/pink and white screen after running Soundhax</u></summary>
<p>If your device is on system version 9.4.0, 9.5.0, or 9.6.0, you may be encountering a bug with an old version of universal-otherapp. Download the latest version from <ahref="https://github.com/TuxSH/universal-otherapp/releases/latest">here</a>.</p>
<p>You have the wrong Soundhax file for your device and region, or your device is incompatible with Soundhax. In the latter case, you should update your device to the latest version and follow <ahref="seedminer">Seedminer</a>.</p>
</details>
<details>
<summary><u>Failed to open SafeB9SInstaller.bin</u></summary>
<p><codeclass="language-plaintext highlighter-rouge">SafeB9SInstaller.bin</code> 檔案遺失或放在了錯誤的位置。 Download the latest release of <ahref="https://github.com/d0k3/SafeB9SInstaller/releases/download/v0.0.7/SafeB9SInstaller-20170605-122940.zip">SafeB9SInstaller</a>, extract it, and place <codeclass="language-plaintext highlighter-rouge">SafeB9SInstaller.bin</code> on the root of your SD card. 如果您的電腦沒有顯示 <codeclass="language-plaintext highlighter-rouge">.bin</code> 的副檔名，請勿手動新增。</p>
</details>
<details>
<summary><u>Failed to mount the SD card!</u></summary>
<p>Back up your data and reformat your SD card as FAT32 with the recommended tool depending on your operating system (<ahref="formatting-sd-(windows)">Windows</a>, <ahref="formatting-sd-(mac)">macOS</a>, <ahref="formatting-sd-(linux)">Linux</a>). MiniTool Partition Wizard and the HP formatting tool (HPUSBDisk) are known to cause issues with 3DS SD cards.</p>
<summary><u>Red/purple/pink and white screen after running Browserhax</u></summary>
<p>This likely indicates that you already have custom firmware. 請先<ahref="checking-for-cfw">檢查是否已安裝自製韌體</a> 。</p>
</details>
<details>
<summary><u>"An error has occurred. Hold down the POWER button to turn off the power..." (black screen with text)</u></summary>
<p>The file <codeclass="language-plaintext highlighter-rouge">arm11code.bin</code> is missing or misplaced. Download the latest release of <ahref="https://github.com/TuxSH/universal-otherapp/releases/latest">universal-otherapp</a>, place <codeclass="language-plaintext highlighter-rouge">otherapp.bin</code> on the root of your SD card and rename it to <codeclass="language-plaintext highlighter-rouge">arm11code.bin</code>. 如果您的電腦沒有顯示 <codeclass="language-plaintext highlighter-rouge">.bin</code> 的副檔名，請勿手動新增。</p>
</details>
<details>
<summary><u>"An error has occurred, forcing the software to close..." (white message box)</u></summary>
<p>There is an issue with your <codeclass="language-plaintext highlighter-rouge">arm11code.bin</code> file. Download the latest release of <ahref="https://github.com/TuxSH/universal-otherapp/releases/latest">universal-otherapp</a>, place <codeclass="language-plaintext highlighter-rouge">otherapp.bin</code> on the root of your SD card and rename it to <codeclass="language-plaintext highlighter-rouge">arm11code.bin</code>. 如果您的電腦沒有顯示 <codeclass="language-plaintext highlighter-rouge">.bin</code> 的副檔名，請勿手動新增。</p>
</details>
<details>
<summary><u>Opening the browserhax QR code or URL crashes</u></summary>
<p>Browser based exploits (such as this one) are often unstable and crash frequently, but they can sometimes be fixed by doing the following steps.</p>
<ol>
<li>Launch the browser, then launch the browser settings</li>
<li>Scroll to the bottom and Initialize Savedata (it also may be called Clear All Save Data)</li>
<li>Try the exploit again</li>
</ol>
</details>
<details>
<summary><u>System Update prompt when opening browser</u></summary>
<p>The SSLoth proxy was incorrectly configured. Re-do the SSLoth section on the page.</p>
</details>
<details>
<summary><u>Error 032-0420 when opening browser</u></summary>
<p>Follow these steps in order:</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>Click “OK” to continue</li>
<li>Press “Back” twice, then “Close” to go back to the HOME Menu</li>
<li>Open the Internet Browser once</li>
<li>If prompted about a system update, press OK
<ul>
<li>This won’t actually update the system</li>
</ul>
</li>
<li>Start again from <ahref="installing-boot9strap-(ssloth-browser).html#section-ii---ssloth">Section II</a></li>
</ol>
</details>
<details>
<summary><u>"To use the Internet Browser, please update your system using the System Update option in the System Settings."</u></summary>
<p>First, make sure you entered the correct proxy for the connection you’re using. If not, go back to <ahref="installing-boot9strap-(ssloth-browser).html#section-ii---ssloth">Section II</a>. If the proxy is correct, then your device has been cart-updated, which means an alternate exploit will need to be used.</p>
<p><u>Method 1</u><br/>
If the two numbers before the region in the system version string is equal to or less than 36 (e.g. Ver. 11.14.0-<strong>36</strong>U), you can follow <ahref="installing-boot9strap-(soundhax)">Soundhax</a>. When prompted to select a firmware to generate the sound file, use:</p>
<ul>
<li>1.x - 2.1 if the number is between 0 and 2</li>
<li>2.1 - 2.2 if the number is between 3 and 4</li>
<li>3.x - 4.x if the number is between 5 and 10</li>
<li>5.x - 11.3 if the number is between 11 and 36</li>
</ul>
<p><u>Method 2 (Old 3DS only)</u><br/>
If you have an Old 3DS / Old 3DS XL / 2DS, you can try a Safe Mode update, which will trigger an alternate exploit:</p>
<ol>
<li>Ensure that the proxy that you used for SSLoth is still actively applied to your internet connection</li>
<li>With your device 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</li>
<li>If everything worked correctly, the update will fail and the 3DS will boot into SafeB9SInstaller. If it did, then continue from <ahref="installing-boot9strap-(ssloth-browser)#section-iv---installing-boot9strap">Section IV</a>.</li>
</ol>
<hr/>
<p>If these methods didn’t work (or do not apply to you), update your device to the latest version and follow <ahref="seedminer">Seedminer</a>.</p>
</details>
<details>
<summary><u>Failed to open SafeB9SInstaller.bin</u></summary>
<p><codeclass="language-plaintext highlighter-rouge">SafeB9SInstaller.bin</code> 檔案遺失或放在了錯誤的位置。 Download the latest release of <ahref="https://github.com/d0k3/SafeB9SInstaller/releases/download/v0.0.7/SafeB9SInstaller-20170605-122940.zip">SafeB9SInstaller</a>, extract it, and place <codeclass="language-plaintext highlighter-rouge">SafeB9SInstaller.bin</code> on the root of your SD card. 如果您的電腦沒有顯示 <codeclass="language-plaintext highlighter-rouge">.bin</code> 的副檔名，請勿手動新增。</p>
</details>
<details>
<summary><u>Frozen on "Doing agbhax..."</u></summary>
<p>There may be an issue with your <codeclass="language-plaintext highlighter-rouge">arm11code.bin</code> file. Re-download the latest release of <ahref="https://github.com/TuxSH/universal-otherapp/releases/latest">universal-otherapp</a>, place it on the root of your SD card, and rename it to <codeclass="language-plaintext highlighter-rouge">arm11code.bin</code>. 如果您的電腦沒有顯示 <codeclass="language-plaintext highlighter-rouge">.bin</code> 的副檔名，請勿手動新增。</p>
<p>If you have a Taiwanese unit (with a T in the version string, ie. 11.3.0-##T), you will not be able to follow these instructions, and you will need to update your console and follow <ahref="seedminer">Seedminer</a> instead.</p>
<p>If you have a Mainland Chinese unit (with a C in the version string, ie. 11.3.0-##C), join <ahref="https://discord.gg/MWxPgEp">Nintendo Homebrew on Discord</a> for assistance.</p>
</details>
<details>
<summary><u>"PrepareArm9ForTwl returned error c8804631!"</u></summary>
<p>請加入 <ahref="https://discord.gg/MWxPgEp">Discord 上的 Nintendo Homebrew</a> 頻道尋求幫助。</p>
</details>
<details>
<summary><u>Failed to mount the SD card!</u></summary>
<p>Back up your data and reformat your SD card as FAT32 with the recommended tool depending on your operating system (<ahref="formatting-sd-(windows)">Windows</a>, <ahref="formatting-sd-(mac)">macOS</a>, <ahref="formatting-sd-(linux)">Linux</a>). MiniTool Partition Wizard and the HP formatting tool (HPUSBDisk) are known to cause issues with 3DS SD cards.</p>
<summary><u>"An error has occured. Please save your data in any software currently in use, then restart the system."</u></summary>
<p>The date is set incorrectly. To set it correctly, follow these steps:</p>
<ol>
<li>Select the System Settings icon on the HOME Menu, and tap Open.</li>
<li>Tap Other Settings.</li>
<li>Tap Date & Time.</li>
<li>Tap Today’s date.</li>
<li>Tap Up/Down Arrows to set the correct Day, Month and Year.</li>
<li>Select OK to confirm.</li>
</ol>
<p>If the problem persists and you have a system version ending in E, and the language set to English, change the language to any other language <strong>temporarily</strong>. You can revert this change when you reach Finalizing Setup.</p>
</details>
<details>
<summary><u>An exception occured or ErrDisp when pressing GO! GO!</u></summary>
<p>This likely indicates that you already have custom firmware. 請先<ahref="checking-for-cfw">檢查是否已安裝自製韌體</a> 。</p>
<li>請至 <ahref="https://discord.gg/MWxPgEp">Discord 的 Nintendo Homebrew</a> 伺服器中尋求協助 (英文)。</li>
</ol>
</details>
<details>
<summary><u>Unable to enter Rosalina menu due to broken Left Shoulder / Down D-Pad / Select button(s)</u></summary>
<p>Download this <ahref="assets/config.ini">alternate config.ini</a> and place it in <codeclass="language-plaintext highlighter-rouge">/luma/</code>. This will change the Rosalina key combination to (X) + (Y).</p>
</details>
<details>
<summary><u>"An exception occurred" or infinite "Nintendo 3DS" screen after trying to launch Homebrew Launcher from Download Play</u></summary>
<p>您所使用的 <codeclass="language-plaintext highlighter-rouge">boot.3dx</code> 檔案有問題(如遺失、放錯位置或者損壞)。 Download the latest release of <ahref="https://github.com/devkitPro/3ds-hbmenu/releases/latest">the Homebrew Launcher</a> and place <codeclass="language-plaintext highlighter-rouge">boot.3dsx</code> on the root of your SD card, replacing any existing file.</p>
</details>
<details>
<summary><u>"Scripts directory not found" in GodMode9</u></summary>
<li>Power off your console, hold START and power on still holding START to boot on GodMode9</li>
<li>Perform a <ahref="godmode9-usage#creating-a-nand-backup">NAND Backup</a></li>
<li>Copy the files in <codeclass="language-plaintext highlighter-rouge">gm9/out</code> on your SD to a safe location on your computer</li>
<li>Delete the <codeclass="language-plaintext highlighter-rouge"><date>_<serialnumber>_sysnand_##.bin</code> and <codeclass="language-plaintext highlighter-rouge"><date>_<serialnumber>_sysnand_##.bin.sha</code> files from the SD card, keeping essential.exefs in <codeclass="language-plaintext highlighter-rouge">/gm9/out/</code></li>
<li>Copy the <codeclass="language-plaintext highlighter-rouge">Nintendo 3DS</code> folder from your computer to the root of your SD card</li>
<li>Delete the <codeclass="language-plaintext highlighter-rouge">Nintendo 3DS</code> folder from your computer</li>
</ol>
<p>If you have enough space on your SD card, your SD might be corrupted or faulty. Check your SD card for any errors by following the guide according to your computer’s operating system: <ahref="h2testw-(windows)">Windows</a>, <ahref="f3-(linux)">Linux</a>, <ahref="f3xswift-(mac)">macOS</a>.</p>
</details>
<hr/>
<h2id="boot-issues-on-devices-with-custom-firmware">Boot issues on devices with custom firmware</h2>
<summary><u>My device powers off when I try to turn it on, and/or the notification LED shows a color on boot</u></summary>
<p>There is an issue with your <codeclass="language-plaintext highlighter-rouge">boot.firm</code> file. If you’re running <ahref="https://github.com/SciresM/boot9strap/releases/tag/1.4">boot9strap 1.4</a>, your 3DS notification LED may flash a certain color. This color is used to diagnose issues involving your <codeclass="language-plaintext highlighter-rouge">boot.firm</code> file on SD card or internal memory. On older versions of boot9strap, the blue light will power off almost immediately when trying to turn on the device.</p>
<p>If the notification LED flashes:</p>
<ul>
<li><strong>White</strong>: Your 3DS was not able to find <codeclass="language-plaintext highlighter-rouge">boot.firm</code> on your SD card or on internal memory.</li>
<li><strong>Magenta</strong>: Your 3DS was not able to find <codeclass="language-plaintext highlighter-rouge">boot.firm</code> on your SD card. It was able to find <codeclass="language-plaintext highlighter-rouge">boot.firm</code> on internal memory, but the file is corrupted.</li>
<li><strong>Red</strong>: Your 3DS was able to find <codeclass="language-plaintext highlighter-rouge">boot.firm</code> on both your SD card and on internal memory, but both files are corrupted.</li>
</ul>
<p>You can get a new <codeclass="language-plaintext highlighter-rouge">boot.firm</code> file by downloading the <ahref="https://github.com/LumaTeam/Luma3DS/releases/latest">latest release of Luma3DS</a>, extracting it, and placing <codeclass="language-plaintext highlighter-rouge">boot.firm</code> on the root of your SD card. If your <codeclass="language-plaintext highlighter-rouge">boot.firm</code> file is consistently being detected as corrupted, you may want to check your SD card for errors (<ahref="h2testw-(windows)">Windows</a>, <ahref="f3-(linux)">Linux</a>, or <ahref="f3xswift-(mac)">macOS</a>). Also, note that the 3DS tends to have issues with files extracted using WinRAR.</p>
<summary><u>"Unable to mount CTRNAND or load the CTRNAND FIRM. Please use an external one."</u></summary>
<p>There are a number of reasons as to why this could be happening. In any case, this error can usually be fixed by following the <ahref="ctrtransfer">CTRTransfer</a> guide.</p>
</details>
<details>
<summary><u>"An error has occurred. Hold down the POWER button to turn off the power..."</u></summary>
<summary><u>HOME Menu is missing installed applications</u></summary>
<p>This could be caused by various reasons, but most likely because your SD card is not being read by the system.
You can check if your SD is being read by holding SELECT on boot and checking the yellow text on the bottom screen; if it says “Booted from CTRNAND via B9S”, then your device is booting from the internal memory and not from the SD card.
If this is the case, attempt the steps below, which are listed from easiest to hardest:</p>
<ol>
<li>Power off your device, remove the SD card, re-insert it, then power on your device</li>
<li>Power off your device, remove the SD card, insert it on your PC, download the latest release of <ahref="https://github.com/LumaTeam/Luma3DS/releases/latest">Luma3DS</a>, extract <codeclass="language-plaintext highlighter-rouge">boot.firm</code> from the <codeclass="language-plaintext highlighter-rouge">Luma3DS.zip</code> and place it on the root of your SD card (replacing any existing file)</li>
<li>Power off your device, remove the SD card, insert it on your PC and reformat your SD card according to your computer’s operating system: <ahref="formatting-sd-(windows)">Windows</a>, <ahref="formatting-sd-(mac)">macOS</a>, <ahref="formatting-sd-(linux)">Linux</a><em>(this will wipe your SD card data)</em></li>
<li>Test your SD card for errors by following the guide according to your computer’s operating system: <ahref="h2testw-(windows)">Windows</a>, <ahref="f3-(linux)">Linux</a>, <ahref="f3xswift-(mac)">macOS</a>. If your SD card is marked as faulty, then you will have to replace your SD card</li>
<li>Your SD card slot may be broken. Join <ahref="https://discord.gg/MWxPgEp">Nintendo Homebrew on Discord</a> for further assistance</li>
<p>您的主機可能已被硬磚。 您得需要購買一張附有 ntrboot 的燒錄卡來重新安裝 boot9strap 以便嘗試修復您的主機。 This may also indicate a hardware issue that cannot be fixed. 不論如何，請加入 <ahref="https://discord.gg/MWxPgEp">Discord 上的 Nintendo Homebrew 伺服器</a> 尋求幫助。</p>
<summary><u>Exception screen when booting/loading an application</u></summary>
<p>Look for your exception screen in <ahref="https://wiki.hacks.guide/wiki/3DS:Error_screens/Luma3DS_exception_screen">this page</a>.
If you weren’t able to find your error or the instructions didn’t work, join <ahref="https://discord.gg/MWxPgEp">Nintendo Homebrew on Discord</a> for further assistance.</p>
<summary><u>Turning off Parental Controls</u></summary>
<p>You can disable the Parental Controls feature by going to System Settings -> Parental Controls and inserting the PIN, then pressing “Clear Settings”, then “Delete” to remove it.
However, if you do not know the PIN and therefore cannot access the device’s settings, you will need to disable it. In order to do this, you need to obtain your device’s master key (mkey):</p>
<ol>
<li>Go to <ahref="https://mkey.eiphax.tech/">this website</a></li>
<li>Fill the following boxes with the information:
<ul>
<li>Device Type: Select “3DS” (the same applies if you are using a 2DS, New 3DS (XL/LL) or New 2DS (XL/LL))</li>
<li>System Date: The day and month your console’s clock is set to</li>
<li>Inquiry Number: Can be obtained by pressing “Forgot PIN” then “I Forgot” in the Parental Controls screen</li>
</ul>
</li>
<li>After you have obtained your mkey, press OK on the screen you have obtained your Inquiry Number, then input the master key</li>
<li>Press “Clear Settings”, then “Delete” to remove all Parental Controls data</li>
