还原 NAND备份

DANGER

警告！ This is dangerous. 即使严格按照这些步骤操作也有可能使DSi变砖，因为机器的NAND闪存质量很低，尤其是如果你已经多次刷机！ 这只能作为最后手段使用！

TIP

Do not skip anything on this page, any mistake greatly increases chance of bricking your DSi.

首先，除了你打算这样做的原因之外，还有几种更安全的替代选择：

• 可以使用 hiyaCFW 或 TWiLight 菜单++安装DSiWare
• Recovering pictures can be done using ninfs, in combination with hiyaCFW or TWiLight Menu++ if you want them on console. HiyaCFW助手的最新版本允许您在设置过程中将您的照片从 NAND 复制到 SDNAND
• Restoring an Unlaunch button configuration can be done from the Unlaunch menu, which can be accessed by holding A + B while powering the console on
• 启动至Unlaunch导致错误？ 取出SD卡，并且重启系统。 如果这有用，那么是SD卡出了错，还原NAND备份将不会修复它
• "An error has occurred..." on boot is likely a hiyaCFW error and is not related to your NAND, see hiyaCFW FAQ & Troubleshooting on the DS-Homebrew Wiki for more information
• Any errors in TWiLight Menu++ are unrelated and you should try reinstalling TWiLight Menu++ or ask for help on Discord
• 除非绝对有必要，否则应避免通过刷入NAND或使用其卸载器来卸载 您可以将自动启动密钥设置为“Launcher”，您的 DSi就会恢复正常了

你唯一应该用你的NAND做的事情是安装Unlaunch 除此之外，请用其他替代方法

首先需要…

• 你的来自同一个DSi NAND备份
• The latest release of SafeNANDManager
• 有利用NAND运行自制程序的方法，例如Unlaunch或Memory Pit 漏洞
• no$gba, to check your NAND backup (Download the 'Windows gaming version')
  • macOS and Linux users can use WINE to run no$gba
• dsibiosdumper

提取BIOS 以便使用no$gba

1. Extract dsibiosdumper.nds from the dsibiosdumper.zip archive and place it anywhere on your SD card
2. 摁住 A 和 B键 后，再摁下 DSi 的电源键
   • 这应该能启动到Unlaunch File menu
3. 从Unlaunch Filemenu启动 dsibiosdumper。
4. 按 A 将BIOS 导出到SD卡
5. 按 Start 退出 dsibiosdumer

测试你的NAND备份

在尝试将NAND备份恢复到你的设备之前，请务必测试你的NAND备份是否能用！ 如果它在no$gba 时显示变砖错误，它很可能也会使你的机器变砖。

1. Extract NO$GBA.EXE from no$gba-w.zip to a folder on your computer
2. Copy your NAND backup to the folder you put NO$GBA.EXE in and rename it to DSI-1.MMC
3. Copy bios7i.bin and bios9i.bin to the folder you put NO$GBA.EXE, named BIOSDSI7.ROM and BIOSDSI9.ROM, respectively.
4. Run NO$GBA.EXE
5. Click Options > Emulation Setup to open the Emulation Setup window
6. Change Reset/Startup Entrypoint to GBA/NDS BIOS (Nintendo logo)
7. Change NDS Mode/Colors to DSi (retail/16MB)
8. Click Save Now
9. Launch any Nintendo DS ROM (.nds file)

If no$gba loads the DSi menu (or the Unlaunch Filemenu), then continue to the next section. If it shows any kind of error do not flash that backup!

Uninstalling Unlaunch from your NAND backup (optional)

Follow this if you dumped your NAND backup after you installed Unlaunch and you would like to uninstall Unlaunch from your system. If you are not trying to uninstall Unlaunch, you do not need to do this section.

1. Download the latest version of the Unlaunch installer
2. Extract UNLAUNCH.DSI from unlaunch.zip
3. Launch UNLAUNCH.DSI in no$gba and start it from the Game Card slot
   • This should start the Unlaunch installer, which looks similar to to the Unlaunch Filemenu
4. Choose Uninstall
5. Once complete, choose Power down
6. Launch any Nintendo DS ROM again, and ensure your DSi menu loads and is working properly

If no$gba shows any kind of error instead of loading the DSi menu, do not flash that backup! If you have an older NAND backup you may want to try using that instead. Do not try to uninstall Unlaunch using its uninstaller on the console, it is extremely likely doing so will brick your DSi.

刷入你的NAND备份 (软件方式)

DANGER

一定要务必确保上述步骤你已经认真的阅读过了，因为接下来的操作会开始变得很危险！ 如果你是直接跳转到这里而没有阅读上述的内容的话，请回到顶部并仔细阅读上述内容。

DANGER

请确保你的 DSi 在开始本节之前已经充满电或者正在充电

1. 在插入 SD 卡的状态下，按住 A 和B 开机
2. 启动 SafeNANDManager
3. 按下按键以开始还原NAND
4. 一旦恢复完成，按 start 关闭您的 DSi

现在你的NAND应该已被还原。

刷入你的NAND备份 (硬件修改)

如果你不能启动你的Nintendo DSi，硬刷是恢复NAND备份的唯一途径。 The best guide that currently exists is the Nintendo DSi hardmod guide on the DS-Homebrew Wiki.