# Fastboot

Source: [https://docs.qualcomm.com/doc/80-70014-4Y/topic/fastboot.html](https://docs.qualcomm.com/doc/80-70014-4Y/topic/fastboot.html)

Fastboot 模式可以烧录软件镜像（例如 boot loader），并有助于系统恢复。

Note: Windows 和 Linux 主机支持 Fastboot。

如需进入 Fastboot 模式，可以从 UEFI 菜单中选择 Fastboot，也可以使用 Fastboot 的热键。

## 从 UEFI 快速启动

有 Qualcomm Linux 专有软件有完全访问权限的用户可以使用此功能。有关详细信息，请参阅 [Fastboot in Qualcomm Linux Boot Guide - Addendum](https://docs.qualcomm.com/bundle/resource/topics/80-70014-4A/fastboot.html)。

## 通过热键 Fastboot

打开设备电源后，按下 VOL- 并查看[状态 LED 指示灯和按钮](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-251/rb3_hardware_overview.html#Status-LEDs-and-buttons)部分，将设备切换到 Fastboot 模式。

图中显示了设备的 fastboot 日志。

![](data:image/png;base64,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)

## Fastboot 命令

当检测到 Fastboot 模式时，可以运行相应的 Fastboot 命令。

Table : Fastboot 命令

| 命令 | 用法 | 示例或用例 |
| --- | --- | --- |
| `fastboot reboot` | 可以重新启动设备。 | 在出现以下任一情况后，可能需要重新启动系统：<ul class="ul" id="fastboot__ul_jz4_fps_szb"><br>                                        <li class="li">烧录软件镜像</li><br><br>                                        <li class="li">完成软件更新</li><br><br>                                    </ul> |
| `fastboot devices` | 如果设备已连接并被 fastboot 识别，则显示设备信息。 | – |
| `fastboot getvar <variable>` | 从各分区中检索数据。<br>以下是支持的 `getvar` 命令。<br><br><ul class="ul" id="fastboot__ul_fgr_nhw_51c"><br>                                        <li class="li"><code class="ph codeph">fastboot getvar partition-size:system</code></li><br><br>                                        <li class="li"><code class="ph codeph">fastboot getvar partition-size:xbl_a</code></li><br><br>                                        <li class="li"><code class="ph codeph">fastboot getvar kernel</code></li><br><br>                                        <li class="li"><code class="ph codeph">fastboot getvar max-download-size</code></li><br><br>                                    </ul> | Fastboot 支持多个变量。可以通过此命令检索这些变量中的数据。<br>例如，若要检索变量（如 version），请运行以下 Fastboot 命令：<br><br><br><br>    fastboot getvar versionCopy to clipboard |
| `fastboot flash <partition name> <full path to the SW image>` | 烧录软件镜像。 | 若要烧录 xbl\_config.elf 镜像，请运行以下命令：<br><br>    fastboot flash xbl_config_a xbl_config.elfCopy to clipboard<br><br><br>其中：<br><br><ul class="ul" id="fastboot__ul_cd5_wps_szb"><br>                                        <li class="li"><code class="ph codeph">xbl_config_a</code> 表示分区标签</li><br><br>                                        <li class="li"><code class="ph codeph">xbl_config.elf</code> 是烧录的软件镜像</li><br><br>                                    </ul> |
| `fastboot erase` | 擦除各个分区中的数据，以获得更干净的烧录。 | `fastboot erase xbl_config_a` 擦除 `xbl_config_a` 分区。 |
| `fastboot continue` | 继续启动 | `fastboot continue` 启动进入操作系统。 |
| `fastboot oem` | 执行 OEM 特定的命令 | `fastboot oem <oem-specific command>` 运行由 OEM 执行和启用的命令。 |

## 使用 Fastboot 进行恢复

当 systemd-boot 和 ESP 损坏时，Fastboot 可作为恢复解决方案。

systemd-boot 镜像从 EFI 系统分区 (ESP) 启动。在这种情况下，Fastboot 会自动作为恢复选项启动，进而能够重新烧录 ESP。

**Parent Topic:** [工具](https://docs.qualcomm.com/doc/80-70014-4Y/topic/tools.html)

Last Published: Feb 03, 2026

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