近年来，Android智能手机主导了全球市场，越来越多的消费者转向这种基于谷歌的操作系统。虽然这些设备通常由强大的规格表支持，但由于软件限制，它们的性能受到限制。因此，为了释放Android操作系统的全部潜力，开发人员添加了引导加载程序，为您的^{(Bootloader )}Android设备打开了一个全新的可能性世界。继续阅读以了解有关此工具的更多信息以及如何在Android手机上通过Fastboot解锁^(Fastboot)Bootloader 。

如何在 Android 设备上解锁引导加载程序^{(How to Unlock Bootloader on Android Devices)}

Bootloader是手机启动时闪烁的图像^{(image that flashes)}。它是普通Android设备和打破常规束缚的设备之间的门户。引导加载程序最初是Android开源项目的一部分，允许小型开发人员和程序员对其Android设备进行修改。

引导加载程序解锁 Android^{(Bootloader Unlock Android)}的优势

自行解锁引导加载程序时，不会对您的设备进行重大更改；它基本上为其他重大改革铺平了道路。解锁的引导加载程序允许用户：

• 根^(Root)Android 设备
• 安装自定义 ROM^{(custom ROMs)}和恢复
• 增加设备的存储^{(Increase storage)}空间
• 卸载系统应用程序。^{(Uninstall system apps.)}

Bootloader Unlock Android的缺点

解锁的引导加载程序虽然具有革命性，但也有其缺点。

• 解锁引导加载程序后，Android 设备的保修将^(warranty)失效。^{(null and void. )}
• 此外，引导加载程序为您的Android^(Android)设备提供了额外的安全层。因此^(Hence)，解锁的引导加载程序使黑客很容易闯入^{(easy for hackers to break into)}您的系统并窃取信息。

如果您的设备速度变慢并且您想提高其运行能力，那么知道如何通过Android上的Fastboot解锁引导加载程序将证明是您的一项额外功能。

另请阅读：^{(Also Read:)} 15 根您的 Android 手机的理由^{(15 Reasons to root your Android phone)}

Fastboot：引导加载程序解锁工具

Fastboot 是一种Android 协议^{(Android Protocol)}或引导加载程序解锁工具^{(Bootloader Unlock Tool)}，允许用户闪存文件、更改Android 操作系统^{(Android OS)}并将文件直接写入手机内部存储。快速启动模式允许用户在他们的设备上进行无法正常进行的修改。三星^(Samsung)等主要Android手机制造商使用户很难解锁引导加载程序，以维护设备安全。然而^(Whereas)，您可以获得用于解锁 LG、摩托罗拉^(Motorola)和索尼^(Sony)智能手机上的引导加载程序的相关令牌。因此^(Hence)，很明显，通过Fastboot解锁引导加载程序的过程Android会因每个设备而异。

注意：^(Note:)本指南中提到的步骤适用于大多数不具备多层安全性的 Android 设备。

第 1 步：在您的计算机上安装 ADB 和 Fastboot
^{(Step 1: Install ADB and Fastboot on your Computer )}

ADB和Fastboot是必不可少的连接，然后，你的Android设备与您的计算机。ADB实用工具允许您的 PC 在快速启动^(Fastboot)模式下读取您的智能手机。以下是在Android设备上通过Fastboot解锁Bootloader的方法：^(Bootloader)

1. 在您的笔记本电脑/台式机上，从Internet下载^(Download)自动 ADB 安装程序。^{(Automatic ADB Installer)}您也可以直接从这个网站下载^{(this website)}亚行^(ADB)。

2. 右键单击​​下载的文件，然后单击以管理员身份运行^{(Run as administrator)}。

3. 在弹出的命令窗口中，键入Y并在询问是否要安装 ADB 和 Fastboot时^{(Do you want to install ADB and Fastboot?)}按 Enter ？^(Enter)

ADB和Fastboot将安装在您的计算机上。现在，进入下一步。

另请阅读：^{(Also Read:)} 如何在没有 PC 的情况下启动 Android^{(How to Root Android without a PC)}

第 2 步：在 Android 设备上启用 USB 调试和 OEM 解锁
^{(Step 2: Enable USB debugging & OEM unlock on Android Device )}

USB调试和OEM解锁选项允许您的手机在设备处于^(OEM)快速^(Fastboot)启动模式时被您的 PC 读取。

注意：^(Note:)由于智能手机没有相同的设置^(Settings)选项，并且它们因制造商而异，因此在更改任何设置之前，请确保设置正确。

1. 打开设置^(Settings)应用程序。

2. 向下滚动并点击关于手机^{(About phone)}，如图所示。

3. 在这里，找到标题为Build number的选项，如图所示。

4.点击Build number 7次^{(7 times)}解锁开发者选项。参考给定的图片。将出现一条消息，确认您作为开发者的身份。^(Developer.)

6.接下来，点击系统^{(System )}设置，如下所示。

7. 然后，点击Advanced，如突出显示的那样。

8. 点击开发人员选项^{(Developer options )}以继续。

9. 打开USB 调试^{(USB debugging)}开关，如图所示。

10. 对OEM Unlock也执行相同的操作以启用此功能。

另请阅读：^{(Also Read:)} 如何在 Android 上隐藏应用程序？^{(How to hide Apps on Android?)}

第 3 步：以 Fastboot 模式重新启动 Android^{(Step 3: Reboot Android in Fastboot mode)}

在解锁引导加载程序之前，请备份^(backup)您的所有信息，因为此过程会完全清除您的所有数据。然后，按照给定的步骤以Fastboot模式启动您的Android手机：

1. 使用USB 数据线^{(USB cable)}，将您的智能手机连接到您的 PC。

2.通过在Windows搜索栏中搜索来启动命令提示符。^{(Command Prompt)}

3. 键入ADB reboot bootloader 并按Enter。

4. 这会将您的设备重新启动到其Bootloader。根据您的设备，您可能会收到一条确认消息。

5. 现在，键入以下命令并按Enter以解锁引导加载程序：

fastboot刷机解锁^{(fastboot flashing unlock)}

注意：^(Note:)如果此命令不起作用，请尝试使用fastboot OEM unlock命令。

6. Bootload解锁后，您的手机将重新启动至Fastboot 模式^{(Fastboot mode)}。

7.接下来，输入fastboot reboot。这将重新启动您的设备并删除您的用户数据。

受到推崇的：^{(Recommended:)}

• 无需 PIN 码即可解锁智能手机的 6 种方法^{(6 Ways to Unlock a Smartphone Without the PIN)}
• 如何检查您的Android手机是否已root？^{(How to check if your Android phone is rooted?)}
• SnapChat 上的水果是什么意思？^{(What does fruit Mean on SnapChat?)}
• 如何在 Windows 10 上使用表情符号？^{(How to use Emojis on Windows 10?)}

我们希望上述指南对您有所帮助，并且您能够通过 Android 上的 Fastboot 解锁 Bootloader^{(unlock Bootloader via Fastboot on Android)}。但是，如果您对本指南仍有任何疑问，请随时在评论部分提出。

How to Unlock Bootloader Via Fastboot on Android

In recent years, Android smаrtphoneѕ have dominated the global market, with more and mоre consumers shifting to this Google-based operating system. While these devices are usually backed by a powerful spеcification sheet, their performance is limited due tо softwаre restrictions. Thus, to unloсk the full pоtential of the Android оperating system, the developers added the Bootloader which opens up a whole new world of possibilities for your Android device. Continue reading to know more about this tool and how to unlock Bootloader via Fastboot on Android phones.

How to Unlock Bootloader on Android Devices

The Bootloader is an image that flashes when your phone boots up. It is the doorway between an ordinary Android device and one that breaks the shackles of normalcy. The bootloader was initially, a part of the Android open-source project that allowed small-scale developers and programmers to make modifications to their Android devices.

Advantages of Bootloader Unlock Android

While unlocking the bootloader by itself, makes no significant changes to your device; it basically paves the way for other major reforms. The unlocked bootloader allows the user to:

• Root Android devices
• Install custom ROMs and recoveries
• Increase storage of the device
• Uninstall system apps.

Disadvantages of Bootloader Unlock Android

An unlocked bootloader, although revolutionary, comes with its downsides.

• Once a bootloader has been unlocked, the warranty of the Android device becomes null and void.
• Moreover, bootloaders provide an extra layer of security to your Android device. Hence, unlocked bootloaders make it easy for hackers to break into your system and steal information.

If your device has slowed down and you want to step up its operational capacity, knowing how to unlock bootloader via Fastboot on Android will prove to be an added feather in your cap.

Also Read: 15 Reasons to root your Android phone

Fastboot: Bootloader Unlock Tool

Fastboot is an Android Protocol or Bootloader Unlock Tool that allows users to flash files, alter Android OS and write files directly to their phone internal storage. The fastboot mode allows users to make modifications on their devices that cannot be made normally. Major Android phone manufacturers like Samsung make it very difficult for users to unlock the bootloader, to maintain device security. Whereas, you can get a relevant token for unlocking the bootloader on LG, Motorola, and Sony smartphones. Hence, it is clear that the process to unlock the bootloader via Fastboot on Android will vary for each device.

Note: The steps mentioned in this guide will work for most Android devices that do not possess multiple layers of security.

Step 1: Install ADB and Fastboot on your Computer

ADB and Fastboot are essential to connect and then, root your Android device with your computer. ADB utility tool allows your PC to read your smartphone when it is in Fastboot mode. Here’s how to unlock Bootloader via Fastboot on Android devices:

1. On your laptop/desktop, Download the Automatic ADB Installer from the internet. You can also directly download the ADB from this website.

2. Right-click on the downloaded file and click on Run as administrator.

3. On the command window that pops up, type Y and hit Enter when asked Do you want to install ADB and Fastboot?

ADB and Fastboot will be installed on your computer. Now, move to the next step.

Also Read: How to Root Android without a PC

Step 2: Enable USB debugging & OEM unlock on Android Device

USB debugging and OEM unlock options allow your phone to be read by your PC, while the device is in Fastboot mode.

Note: Since smartphones don’t have the same Settings options, and they vary from manufacturer to manufacturer hence, ensure the correct settings before changing any.

1. Open the Settings application.

2. Scroll down and tap on About phone, as shown.

3. Here, find the option titled Build number, as depicted.

4. Tap on Build number 7 times to unlock developer options. Refer given pic. A message will appear confirming your status as a Developer.

6. Next, tap on System settings, as shown below.

7. Then, tap on Advanced, as highlighted.

8. Tap on Developer options to continue further.

9. Turn ON the toggle for USB debugging, as shown.

10. Do the same for OEM Unlock as well to enable this feature too.

Also Read: How to hide Apps on Android?

Step 3: Reboot Android in Fastboot mode

Before unlocking the bootloader, backup all your information as this process completely wipes off all your data. Then, follow the given steps to boot your Android phone in Fastboot mode:

1. Using a USB cable, connect your smartphone to your PC.

2. Launch Command Prompt by searching for it in the Windows search bar.

3. Type ADB reboot bootloader and hit Enter.

4. This will reboot your device to its Bootloader. Based on your device, you may get a confirmation message.

5. Now, type the following command and hit Enter to unlock the bootloader:

fastboot flashing unlock

Note: If this command does not work, try using fastboot OEM unlock command.

6. Once Bootload is unlocked, your phone will reboot to its Fastboot mode.

7. Next, type fastboot reboot. This will reboot your device and delete your user data.

Recommended:

• 6 Ways to Unlock a Smartphone Without the PIN
• How to check if your Android phone is rooted?
• What does fruit Mean on SnapChat?
• How to use Emojis on Windows 10?

We hope the above guide was helpful and you were able to unlock Bootloader via Fastboot on Android. But if you still have any queries regarding this guide, feel free to ask them in the comment section.

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