Guide_3DS/_pages/zh_TW/installing-boot9strap-(usm).txt

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title: "安裝 boot9strap (透過 USM)"
---

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<summary><em>Technical Details (optional)</em></summary>

In order to exploit the SAFE_MODE firmware of our system, we need to inject an exploited WiFi profile.

We can do this using an existing exploit, BannerBomb3.

To accomplish this, we use your system's encryption key (movable.sed) to build a DSiWare backup that exploits the system in order to inject the exploited WiFi profile into your connections list.

Once the WiFi profile has been injected, we will use SAFE_MODE, which is a recovery feature present on all 3DS consoles, to activate the exploited WiFi profile.

For a more technical explanation, see the following links for information on the BannerBomb3 and unSAFE_MODE exploits: [BannerBomb3](https://github.com/zoogie/Bannerbomb3), [unSAFE_MODE](https://github.com/zoogie/unSAFE_MODE/).

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### Compatibility Notes

這些操作在美、歐、日、韓版可用，可透過系統版本號末尾的 「U、E、J、K」 字元來辨別。

If your (Right/Left Shoulder), (D-Pad Up), or (A) buttons do not work, you will need to follow [an alternate branch of Seedminer](installing-boot9strap-(fredtool)). For assistance with this matter, join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask, in English, for help.
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### 必備項目

* The latest release of [SafeB9SInstaller](https://github.com/d0k3/SafeB9SInstaller/releases/download/v0.0.7/SafeB9SInstaller-20170605-122940.zip) (direct download)
* The latest release of [boot9strap](https://github.com/SciresM/boot9strap/releases/download/1.4/boot9strap-1.4.zip) (direct download)
* The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest) (the Luma3DS `.zip` file)
* [usm.bin](https://github.com/zoogie/unSAFE_MODE/releases/download/v1.3/usm.bin) (direct download)


#### 第一節 — 準備工作

In this section, you will copy the files needed to trigger the unSAFE_MODE exploit onto your device's SD card.

1. Your SD card should be inserted in your computer
1. Copy `usm.bin` to the root of your SD card
1. 解壓 Luma3DS `.zip` 內的 `boot.firm` 與 `boot.3dsx` 到 SD 卡的根目錄底下
  + 「SD 卡的根目錄」指的是你的 SD 卡含有 Nintendo 3DS 資料夾的目錄，而非該資料夾內部
1. 在 SD 卡的根目錄底下建立一個新的資料夾 `boot9strap`
1. 解壓 boot9strap `.zip` 的 `boot9strap.firm` 及 `boot9strap.firm.sha` 檔案至 SD 卡的 `/boot9strap/` 資料夾中
1. 將 SafeB9SInstaller `.zip` 中的 `SafeB9SInstaller.bin` 複製到 SD 卡的根目錄

![]({{ "/images/screenshots/usm/usm-root-layout.png" | absolute_url }})
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![]({{ "/images/screenshots/boot9strap-folder.png" | absolute_url }})
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#### 第二節 — BannerBomb3

In this section, you will trigger the BannerBomb3 exploit using the DSiWare Management menu, which can be used to overwrite your Wi-Fi slots with hacked data. Your Wi-Fi connection settings will be temporarily overwritten while the exploit is active.

1. 將 SD 卡插回主機中
1. 啟動您的主機
1. 於您主機上啟動系統設定 (System Settings)
1. Navigate to `Data Management` -> `DSiWare`-> `SD Card` ([image](/images/screenshots/bb3/dsiware-management.png))
  + Your device should show the BB3 multihax menu
  + If this step causes your device to crash, [follow this troubleshooting guide](troubleshooting#dsiware-management-menu-crashes-without-showing-bb3-multihax-menu)
1. Use the D-Pad to navigate and press the (A) button to select "Install unSAFE_MODE"
  + 主機將會自動關機

#### 第三節 — unSAFE_MODE

In this section, you will enter Safe Mode (a feature available on all 3DS family devices) and navigate to a menu where unSAFE_MODE will be triggered, which will launch you into the boot9strap (custom firmware) installer.

1. With your device still powered off, hold the following buttons: (Left Shoulder) + (Right Shoulder) + (D-Pad Up) + (A), and while holding these buttons together, power on your device
  + Keep holding the buttons until the device boots into Safe Mode (a "system update" menu)
  + If you're unable to get into Safe Mode after multiple attempts, one of your buttons may be failing or broken. If this is the case, you will need to follow [an alternate branch of BannerBomb3](installing-boot9strap-(fredtool)). For assistance with this matter, join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask, in English, for help.
1. 按下『OK』以允許更新
  + 此步驟將不會進行任何更新， 這只是觸發漏洞的一部分。
1. 按下「I accept(我同意/同意します)」鍵以接受聲明條款
1. The update will eventually fail, with the error code `003-1099`. 這也是觸發漏洞的一部分
1. 當系統提示您『你想要配置網路設置嗎? (Would you like to configure Internet settings?)』時，點選『Yes』
1. On the following menu, navigate to `Connection 1` -> `Change Settings` -> `Next Page (right arrow)` -> `Proxy Settings` -> `Detailed Setup` ([image](/images/screenshots/usm/safemode_highlighted.png))
1. 如果一切成功的話，您將自動進入 SafeB9SInstaller
  + If your device instead shows a red screen, you are missing `usm.bin` from the root of your SD card

#### Section IV - Installing boot9strap

In this section, you will install custom firmware onto your device.

1. 出現提示時，輸入上方螢幕所顯示的按鍵組合以安裝 boot9strap
  + If the top screen is blank, power off your device and re-do Section III
1. 過程結束後，按下『A』重啟主機
1. 您的主機將會重啟至 Luma3DS 設定選單中
  + Luma3DS configuration menu are settings for the Luma3DS custom firmware. Many of these settings may be useful for customization or debugging
  + For the purpose of this guide, these settings will be left on default settings
  + If your device shuts down when you try to power it on, ensure that you have copied `boot.firm` from the Luma3DS `.zip` to the root of your SD card
1. 按『Start』鍵以存檔並重新啟動系統

At this point, your console will boot to Luma3DS by default.
  + Luma3DS 不會特別在 HOME 主選單中新增任何特別的東西。 如果你的主機已經啟動到了 HOME 主選單，這代表自製韌體已經在運行了。
  + On the next page, you will install useful homebrew applications to complete your setup.

#### Section V - Restoring WiFi Configuration Profiles

In this section, you will trigger the BannerBomb3 exploit a second time so that you can restore the Wi-Fi connection slots that were overwritten in Section II.

1. 於您主機上啟動系統設定 (System Settings)
1. Navigate to `Data Management` -> `DSiWare`-> `SD Card` ([image](/images/screenshots/bb3/dsiware-management.png))
1. Use the D-Pad to navigate and press the (A) button to select "Uninstall unSAFE_MODE"
  + Your device will automatically reboot
1. 關閉您的主機
1. 將 SD 卡插入至電腦中
1. 於您的 SD 卡中，移動至 `Nintendo 3DS` -> `<ID0>` -> `<ID1>` -> `Nintendo DSiWare`
1. Delete `F00D43D5.bin` from your Nintendo DSiWare folder and from your computer. 這個檔案之後不再需要了

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### 繼續至[完成安裝](finalizing-setup)
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