LG Bootloader Unlock: How to Unlock Bootloader on LG Phone

2023-07-31 12:27:42/Posted by Kitty Parkerto Phone Unlock Topic/Follow @ MobiKin

Are you looking to unlock your LG device's bootloader? The LG Bootloader Unlock process is pivotal for tech enthusiasts seeking to customize their LG devices. This article will guide you through the unlocking procedure, exploring its benefits and risks and detailing the necessary software tools for a successful unlock. It's your stepping stone to device freedom and enhanced personalization.

Part 1. What is a Bootloader on LG?

A bootloader program runs on your LG device before the operating system starts. It runs every time the phone is turned. This prevents your LG phone from running unauthorized software and keeps your phone's hardware secure. Furthermore, it prevents your LG phone from being rooted and the installation of custom mods and recovery tools that may tamper with your device's settings.

One of the benefits of using Android is its user-friendly and allows easy phone modifications according to your preferences. However, a locked bootloader prevents this ability. Luckily, LG provides its consumers with the service to unlock their devices. This makes installing custom ROMs, mods, root access, and more possible.

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Part 2. Why People Want to Unlock LG Bootloader

Android enthusiasts often like to unlock their LG bootloader to gain root access, flash custom ROMs and kernels, or even perform advanced modifications on their devices. This process is often called "rooting" and allows users to modify system files that are otherwise inaccessible. This process enables users to improve their phone performance, save battery life, uninstall bloatware, remove ads, speed up and more. You can customize your phone to everything you need.

Flashing a custom ROM can help you get the latest version of Android on your LG device. Custom ROMs are modified stock firmware versions that allow users to personalize their devices with plenty of features and themes. You can install various applications not available on the Google Play Store.

However, there are a few downsides to unlocking the LG bootloader. It can void your warranty. Bootloader makes your device more susceptible to security risks, as it opens the door for malicious apps and software. It's important to be aware of these risks before taking on the challenge of unlocking your bootloader.

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Part 3: Preparation of LG Bootloader Unlock

There are several prerequisites to unlocking your LG device's bootloader. To ensure a successful unlock, ensure the following conditions are met before attempting the unlock process:

1. Device is powered on

This should be your initial step to unlock bootloader LG. Make sure that the device is completely powered on.

2. Battery level should be at least 50%

Your battery level is at least 50%. This will ensure that there is enough power to complete the process successfully.

3. USB data cable (the original one is recommended)

Use the original USB data cable that came with your device. This will ensure no errors from happening during the unlock process.

4. Back up LG phone data first

Now you have to make sure all the above steps are ready. It's time to make a data backup. It's crucial to back up your LG phone data. We recommend using the MobiKin Backup Manager for Android. This powerful Android Backup and Restore tool for desktops offers an efficient and secure way to back up all your essential data, including contacts, messages, photos, videos, and more. With just one click, MobiKin ensures your data is safe, providing a seamless backup experience while you prepare your LG device for bootloader unlocking. It supports all the Android versions LG G2/G6/G4/G5/G3, LG V30 and so forth.

android backup and restore interface

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Part 4: How to Unlock Bootloader on LG

Unlocking the bootloader of your LG device is a simple process that can be completed in just minutes. You can use the two most popular options to unlock the bootloader on your LG device. Let's take a closer look at what is involved with each option.

Option 1: Use Unlock.bin File to Unlock Bootloader

This option works for the users registered to the LG Developer service until December 2021. An email will be sent to them containing a document that includes the "Unlock.bin" file. The process is very simple and can be completed in just a few steps:

  • Take your LG phone and obtain your IMEI by dialling *#060#. You can also check the back of the battery to see if it's removable.
  • Open the "developer option". Head to Settings > About Phone > Software Info and tap on "Build Number" 6-7 times. This will enable the Developer Options, and you will get a message "You're now a developer". Now back to "Developer Options".
  • open usb debugging on lg 4

  • Open the cmd on your PC. You can do so by pressing "Win+R" and typing "cmd (.) exe". Hit Enter key. When the cmd windows open, use the original cable to connect your phone. Copy the "adb reboot bootloader" code. Press Enter. Grant the PC permission when a popup "Enable USB Debugging" appears. Press Ok and move to the next step.
  • The mode of the bootloader will now be enabled. Copy the "fastboot OEM device-id" code. Hit Ok. The Unlock Key will now appear.
    Line 1: $ fastboot oem device-id
    Line 2: (bootloader)—
    Line 3: (bootloader) Device-ID
    Line 4: (bootloader) CodeA
    Line 5: (bootloader) CodeB
    Line 6: (bootloader)——
  • Copy and combine the code on lines 4 and 5 to make it a single code like the following:
  • Step 6: Now, you will need to obtain the unlock.bin file. Open the "cmd" and paste this code "fastboot flash unlock unlock.bin". Hit Enter.
  • Step 7: The Unlock.bin file will now be installed. The bootloader will be unlocked on your LG phone. The "fastboot reboot" code and hit enter. Wait for your phone to start up, and it's done.

Option 2: How to Unlock on Your Own

These steps are for those who still need to register for the LG developer site. You will need to enter a few fastboot commands that will help you unlock the bootloader of your LG device. Here are the steps:

  • Grab your phone and get into developer options. To do this, go to Settings -> System -> About Phone -> Software Info and tap on the Build Number 5-6 times. You'll get the message, "You are now a developer". Select "Turn On OEM Lock".
  • open usb debugging on lg 1open usb debugging on lg 2

  • You need to use QFIL; thus, installing QPST is essential. Download "Minimal ADB" and install it on your PC.
  • Download the appropriate drivers, " Sonim XP8". Then LG V30 firehose. You will require the firehose later.
  • To enable the necessary backup for your phone, follow these steps:
    a. Put your LG phone on Emergency Download Mode (EDL).
    b. Start your device QFIL plug.
    c. Follow the instructions provided on this website to enter 9008 mode.
  • The next step is to back up your LG Android phone and open QFIL. Then, you should select "port" and then the "Qualcomm HS-USB QDLoader 9008" option (which will be located in COM {port unit}).
  • Mark the option labeled "Select Build Type," then proceed to "Select Programmer" and choose the V30 firehose that was identified in Step 3. Once you have completed this, take a look at the bottom right-hand corner of your screen and verify that the storage type is set to UFS.
  • From the top toolbar, click on Tools and select Partition Manager. Upon confirmation, all your LG phone partitions will appear. Before making any changes, it is recommended that you create a backup copy; this can be done by highlighting each partition, then right-clicking, hitting Manage Partition Data and selecting Read Data. Repeat this process for all partitions listed.
  • Once you have gone to the abl_b and abl_a partitions, select the "Load Image" option and run the bootloader. To complete the process, restart your device by simultaneously pressing and holding down the power and volume down button. Afterwards, disconnect QFIL, power off your phone, and press the volume button while connecting the USB cable.
  • To finish the process, enter the ADB folder and type "fastboot devices". This will prompt your phone to appear on the screen. After that, simply follow the instructions you can see on your device.

Bonus: How to Unlock LG Without Data Loss

Android Unlock is a powerful software solution designed to bypass lock screens on Android devices. It's a reliable tool that can unlock various screen locks, including PIN, pattern, password and fingerprint, without losing your entire data. Android Unlock is compatible with most Android devices, including LG models. The LG unlock tool is highly efficient and designed to unlock Android devices without causing data loss. It's especially recommended for LG phones, offering a seamless unlocking process that maintains the integrity of your data.

Main features of Android Unlock:

  • Bypass different types of screen locks: PIN, fingerprints, pattern and password.
  • No data loss while unlocking LG/Samsung forgot passwords.
  • It is ads-free, easy to use and has an intuitive interface.
  • Support a wide range of LG devices, including LG V60/V70/V40/V50/V30/V35/V20, LG G9/G8/G7/G10/G5/G6/G3/G4, LG C550, GT540, E720, E400, P350, GW620, P500, P503, P509, P990, P970, Google, Huawei, Samsung, Sony, Motorola, Xiaomi, etc.
  • The program fully safeguards your privacy.

download android unlock

Steps to Unlock LG Phone Screen using Android Unlock:

Step 1. Download Android Unlock on your computer. Install and run the program. Select "Screen Unlock".

go to screen unlock module

Step 2. Connect your locked LG phone to the computer using a USB cable. Then choose "Unlock Android Screen."

select unlock android screen

Step 3. Follow the on-screen instructions to confirm your LG phone model. This ensures compatibility and a successful unlock process. Go to advanced mode if you can't see your device.

fill in blank with device info

Step 4. Now enter your phone into download mode:

1. Turn the phone off.
2. Press the Vol-, Home and Power keys simultaneously.
3. Now press Vol+, and your phone will enter Download Mode.

put lg into download mode

Step 5. A recovery package will be downloaded to your LG phone.

download recovery package

Step 6. You will be prompted to confirm the password's removal without losing data. Type the password code you will be provided and hit "Remove Now".

how to unlock lg phone via android unlock

Step 7. Now, your phone will be unlocked, and you can access it without any password or lock screen.

unlock your lg phone successfully

The Bottom Line

In conclusion, unlocking the LG bootloader paves the way for advanced mobile functionalities. It allows custom ROM installation, enhancing device performance and customization. However, careful steps must be taken to avoid risks like voided warranty and system vulnerabilities. Always proceed with caution for a successful and safe process. The above steps provide a comprehensive guide to unlocking your bootloader on LG devices.

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Kitty Parker
Kitty ParkerSenior Editor
In 2018, Kitty Parker graduated with a B.S. degree. After getting technical article writing training, she participated in MobiKin Team. She has spent years testing, studying, and writing professional articles on fields such as Android Backup, Android Recovery, and App Management. Proficient in creating diverse content, she regularly shares posts on social platforms to help those in need.
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