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title: "常见问题"
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**Yes**, you can still install custom firmware on your 3DS, even after the closure of eShop.
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**3DS 最新的系统固件版本为 11.16.0** 。 以下是一些你应该知道的事情：
- If your device is running *Luma 11.0* or newer, it is *100% safe* to update. 你可以在关机状态下按住 SELECT 键，然后按下电源键开机以检查主机的 Luma 版本。
- 如果你的主机运行的 Luma 低于此版本，则你应该在更新系统到 11.16.0 前先[更新 Luma](checking-for-cfw)。
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## 破解前的常见问题
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I am on the latest system version. Is my device hackable without any external hardware?
Yes! 最新的系统固件（11.16.0）可以用 [Seedminer](seedminer) 进行破解。
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What devices is this guide compatible with?
The instructions are the same for all retail 3DS, 3DS XL, 2DS, New 3DS, New 3DS XL, and New 2DS XL devices. 如果你主机的系统版本显示为 “0.0.0-0”，则你的主机可能是开发机，不适用本手册。
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How risky is hacking my console?
Bricks are now effectively impossible unless you are purposely trying to brick your device.
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Can I run awesome homebrew and emulators with this?
Yes! 本手册将会教你安装一些有用的自制程序，包括一个名为 [Universal-Updater](https://github.com/Universal-Team/Universal-Updater/releases/latest) 的自制应用程序商店。
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Can I use this to play games from other regions?
Yes; Luma3DS will automatically ignore the region check for cartridges and installed titles. 但是某些游戏可能仍然需要使用 Luma 的[区域模拟](https://github.com/LumaTeam/Luma3DS/wiki/Optional-features)功能来使其能够正常启动。
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Will I lose any features if I install CFW?
No. Devices with custom firmware can still play online and run physical cartridges as any other 3DS can.
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Can I keep my NNID?
Your NNID (if you have one) will not be affected by this guide. 韩版、港台版以及神游版主机由于没有 NNID 功能，也不会受到影响。
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Will my 3DS be banned for having CFW?
There was a ban wave in May 2017 that banned CFW users from online play (eShop access, NNIDs, and Nintendo Accounts were unaffected), seemingly at random. 自从那时后就再也没有看到过类似的事情了。 我们也不知道任天堂将来会做什么。 但是，我们现在不认为你需要担心破解后是否会 ban 机了，因为几乎见不着。
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Can I do this without a computer (e.g. an Android phone)?
Yes! All you need is the ability to put files on a compatible SD card.
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What size SD card can I use?
You will need at least 1.5GB of free SD card space to follow this guide in its entirety. 虽然官方已经说明了 3DS 可以用的 SD 卡最大容量为 32GB，但是实际上只要能格式化成 FAT32 的内存卡都可以用。 但是由于已知的 GBA 图像和自制主题问题，建议不要使用超过 128GB 的内存卡。
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I heard about this thing I have to pay for (Gateway, Sky3DS, ntrboot, R4, etc). Is that something I need?
No. 自制固件可以不依托任何其他外设在最新版本的系统中安装。 实际上，我们并不推荐使用 3DS 烧录卡（如 Gateway 或 Sky3DS），这些烧录卡现在已经过时，且可能会给你的主机带来 ban 机或砖机的风险。
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What's the difference between custom firmware and homebrew?
Definitionally speaking, custom firmware refers to a modification of the 3DS system software to do things that it normally isn't able to. Homebrew generally refers to software created outside of official sources (i.e. not distributed by eShop or cartridges).
Historically, the 3DS used to have userland homebrew access through older exploits like ninjhax, which people sometimes called just "homebrew". 这种级别的系统权限能够让你运行一些基础的自制程序和模拟器，但不能让你（或较为容易地）修改游戏或导出卡带。 这些漏洞也不是特别稳定，自制程序经常会反复崩溃且必须完全重启整个系统才可恢复。 自制固件能让你获得高等级的系统权限，同时相较那些仅自制程序的漏洞而言更加稳定。
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## 破解后的问题
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Is it safe to update my 3DS to the latest version with CFW?
If you are using Luma3DS, your custom firmware loader (boot9strap) will *never* be removed when performing a system update. 不过前一段时间的更新经常使 Luma3DS 在启动系统时崩溃，所以我们建议你在新版本发布后，先等几个小时看看别人的升级反馈或者 Luma3DS 是否会更新，确认更新不会导致主机暂时无法正常使用后再继续。 System updates can be performed the same way as they are on an unmodified 3DS: through System Settings, Safe Mode, or the update prompt when the update is automatically downloaded.
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How do I upgrade my SD card?
Copy and paste your SD card contents to a new SD card formatted as FAT32. 如果使用的卡大小为 128GB，则建议将分配单元大小设为 65536。 大于 128GB 的内存卡由于已知的 GBA 图像和自制主题问题，不建议使用。
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Can I system transfer with CFW?
Yes, system transfers can be performed through the official System Transfer function to other consoles with CFW (inconsistencies may occur if the target console is unmodified). 非法应用（自制程序等）的 Ticket 不会被一同迁移，但可以使用 [faketik](https://github.com/ihaveamac/faketik/releases/latest) 伪造，使其重现于桌面。 请确保你不使用无线传输迁移，这会删除非法应用。 破解也依然会继续存在于两台主机中。
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How do I change the system language of a Japanese 3DS?
The only way to change the system language of a Japanese 3DS to a language other than Japanese is to perform a [region change](region-changing). 但是这很可能会把你主机的 eShop 破坏掉，导致游戏无法正常更新。
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How do I update homebrew applications?
It depends on the format of the homebrew application. 一般来说：
* **CIA 格式**的自制程序：只需要直接安装更新版本的 CIA 即可，通常旧的会被直接替换。 如果旧的 CIA 没有被替换掉你也可直接去数据管理删除老版本，就像你删别的东西一样。
**3DSX 格式**的自制程序：替换存储于 `/3ds/` 文件夹内的 3DSX 文件即可。 如果这个自制程序包括额外的资源文件，则你需要将其所需文件替换到对应目录。 对此，还请阅读那个自制程序的文档来操作。
* 如果你是为了更新 Luma3DS，请参考[这个页面](restoring-updating-cfw)。 或者你想要更新 Godmode9 的话，参考[这个页面](godmode9-usage#updating-godmode9)。
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How do I update my games?
You can continue to download game updates from the Nintendo eShop, even though it has now shut down.
If the game is not from the same region as the console, you will need to [dump the updates](dumping-titles-and-game-cartridges) from a 3DS that has the updates installed. Nintendo eShop 只能更新主机所在区域的游戏（换句话说就是，日版机只能更新日版的游戏）。
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Help! Something bad happened and my 3DS won't boot to HOME Menu...
Please look at the [troubleshooting guide](troubleshooting#boot-issues-on-devices-with-custom-firmware). **我们不建议在主机无法开机时选择卸载自制固件，这很有可能会把主机搞砖**。
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## 主题破解 / A9LH / Gateway 常见问题
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I modded my device (x) years ago, so it already has some sort of homebrew. What should I do?
It is recommended that you upgrade your setup to a modern, boot9strap-based one. 参阅[检查自制固件](checking-for-cfw)来查找适合你主机的更新方法。
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My setup works for me. Why should I upgrade it?
The vast majority of modern homebrew (such as Checkpoint and BootNTR Selector) have only been tested on modern, boot9strap-based setups and may not work entirely (or at all) on older setups based on menuhax, A9LH, or Gateway. 而且，你的主机可能会因为使用的破解过老而无法安全更新主机的系统固件。 基于 boot9strap 的破解甚至能让你获得可导出你主机的 bootrom 的前所未有的主机控制权。
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Will I lose anything if I upgrade my setup?
Your old setup (including your EmuNAND, if you have one) can usually be directly migrated to boot9strap with no data loss. 如果你的主机里有你非常宝贵的存档，则建议在升级破解前用 [JKSM](https://github.com/J-D-K/JKSM/releases/tag/12%2F20%2F2018) 之类的工具备份一下存档，以防万一。
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How do I move saves from an existing Gateway setup to a more modern setup?
**答：**看[这个帖子](https://gbatemp.net/threads/425743/)。
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