How To Unlock Lock Bootloader On Android Phone

Unlocking the Bootloader unlocks many features on your phone, such as using restricted apps, installing custom ROMs, etc. You can root your phone. However, this process comes with its own set of challenges and risks. This article will guide you through the steps to lock and unlock the bootloader safely.

If you are reading this article, it means you are interested in mobile software, you want to know about mobile software, you want to root your Android device, or you want to make your Android a hacking device; that is why you are trying to unlock the Bootloader. In this article, you will get a detailed guide regarding How To Unlock Lock Bootloader On Android Phone.

Understanding the Bootloader

The bootloader of an Android device is a crucial component that manages the device’s boot process. Bootloader, also known as BIOS on computer. It is the first program that runs when you power on your phone, checking the integrity of the firmware before loading the operating system.

What is a Bootloader?

A Bootloader is software that instructs your Android mobile device to boot the operating system. When you turn on your Android device, the bootloader checks the system’s integrity and prepares the device to load the firmware. The Android operating system cannot start without a bootloader, making it a vital part of your device’s functionality.

The Importance of Bootloader Lock

The Bootloader is locked by the manufacturer so that no one can install third-party firmware like custom ROM or can’t make any unauthorized modifications like changing the boot screen logo to the Android device. Making unauthorized modifications or installing custom ROM breaks the security of our phones. Our device is no longer secure. This bootloader lock ensures that only verified software is allowed to run, maintaining the integrity of your device.

Benefits Of Bootloader Unlock

Bootloader Unlock has many advantages, like installing a custom ROM by removing the original Android software from your phone. You can root your Android phone. You can customize your device deeply, like changing boot animation, changing fonts and many more customizations. Overclocking lets you increase your phone performance. Yes, I can run the latest Android version on my phone through custom ROM & custom rom can be installed by unlocking the Bootloader.

Risks of Unlocking the Bootloader

Unlocking the bootloader has many risks, such as our device becoming vulnerable. Anyone can tamper with your bootloader, which can soft break your Android device. The most significant disadvantage is that the warranty of your device becomes void, and you will not get any repair from your official service centre; if you get it, you will have to pay a fee. Your phone may not receive official software updates, which may prevent you from getting the latest features for optimal use of your phone.

Important Prerequisites Before Locking or Unlocking Your Device’s Bootloader

Before locking or unlocking the Bootloader, you must take care of a few things so that your phone’s bootloader gets unlocked safely and locked safely without any soft break or error. These steps are essential to ensure a smooth unlocking and locking process. You have to charge your phone up to a minimum of 80% because if the phone gets switched off during the bootloader unlocking process, then your phone may get stuck on the Android logo. Take a complete backup of your phone because all your data will be erased after bootloader unlocking or locking.

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Which Smartphones Supports OEM Unlocking

1. Go to your phone’s settings and search for “About phone.”

2. In the “About phone” section, find the “Build Number” option. Tap on it five times to enable developer settings.

3. Once developer options are enabled, go to the “Developer Options” menu and turn on both “USB Debugging” and “OEM Unlocking.”

4. Connect your Android Phone to your Mac using USB data cable.

5. Download the platform-tools package for Mac and extract it.

6. Open Terminal on your Mac and type cd followed by the path to the platform-tools folder and hit Enter. For example, `cd documents/platform-tools`. Alternatively, you can type `cd` and then drag the platform-tools folder into the Terminal window.

7. Type `./adb devices` into Terminal and on your phone, Allow USB Debugging when prompted. Then, re-enter ./adb devices if you see a serial number listed on terminal, you’re good to go with the next steps.

8. Enter `./adb reboot bootloader`.

9. Your phone will now boot into Fastboot Mode.

10. Type `./fastboot flashing unlock` and follow the on-screen instructions on your phone to unlock the bootloader. For example, you might need to press Volume Up or Down to confirm the unlock, or it may automatically exit after 5 seconds.

How To Lock Bootloader With MAC

To Lock your Android Bootloader from Mac, just follow the above steps of Bootloader Unlock, just change the 10th number Bootloader Unlock command `./fastboot flashing unlock` to `./fastboot flashing lock` press enter and follow the instructions that will appear on your phone screen. For example, you might need to press Volume Up or Down to confirm the lock of bootloader, or it may automatically exit after 5 seconds.

How To Unlock Bootloader With Windows PC/Laptop

Here’s a step-by-step guide to unlocking the Bootloader of your phone using a Windows PC/Laptop:

1. Download the Platform-tools zip file and extract it.

2. Now open that extracted platform-tools folder, and in the path bar, type cmd, and hit enter.

3. In your Android phone, enable the developer option and turn on “USB Debugging” and “OEM Unlocking.

4. Connect your phone to your windows pc/laptop and click on ‘Allow’.

5. Now, in cmd, type 'adb devices'; if you see a serial number, you are ready to go, and your device is ready to unlock the Bootloader. 

6. Enter the command 'adb reboot bootloader', or you may use the command 'adb reboot fastboot', and your phone will boot into fastboot mode.

7. To unlock the bootloader, enter the command 'fastboot flashing unlock' and follow the on-screen instructions on your phone to unlock the bootloader. For example, you might need to press Volume Up or Down to confirm the unlock, or it may automatically exit after 5 seconds.

How To Lock Bootloader With Windows PC/Laptop

Here’s a step-by-step guide to Lock the Bootloader of your phone using a Windows PC/Laptop:

To Lock your Android Bootloader from Windows Pc/Laptop, just follow the above steps of Bootloader Unlock, just change the 7th number Bootloader Unlock command `fastboot flashing unlock` to `fastboot flashing lock` press enter and follow the instructions that will appear on your phone screen.

How To Fix ‘Waiting For Any Device’ Error In ADB Fastboot Mode

This error waiting for any device shows because the computer cannot communicate with the phone in fastboot mode. The main problem will be solved by updating the ADB driver; how to update ADB Driver:

1. Download ADB Driver and extract it. (If this version doesn’t work, try to search for your device; for example, search adb driver for your device model)

2. Now open Device Manager on your pc/laptop and right-click on Android under other devices, as shown in the image below:

3. From here, click ‘Browse my computer for drivers’ and then click ‘Let me pick from a list of available drivers on my computer.’ Select ‘Show all devices’ and click on Next.

4. Click on Have a Disk, then click on Browse and select the ADB Driver that we download & extract in Step 1, as shown in the image below:

5. Click Ok, then Next, and now your ADB Driver has updated successfully and is waiting for the device to be fixed.