LG Optimus F5 — How to Unlock Bootloader on LG Phones

  • Replies:4
  • Forum posts: 4

Feb 5, 2022, 3:12:00 AM via Website

I need to unlock the bootloader of my phone for custom ROM installation? Can any one assist on how to unlock the boot loader?

  • Forum posts: 2

Feb 5, 2022, 3:30:16 AM via Website

When compared to other brands of phones, unlocking the bootloader on LG phones is a little more difficult. However, you can simply unlock the bootloader using this approach. Before proceeding to the major phases, please be sure to review the prerequisites listed below. (dubaexpress.com/how-to-unlock-bootloader-on-lg-phones-all-supported-phones/)

  • Make sure you have a complete backup of your phone. Make sure your
  • The phone is at least 50% charged. It will void your LG phone’s warranty.
  • On your computer, install the ADB and Fastboot drivers. Install the
  • LG Driver on your computer.


  1. Go to General > Developer Options in your phone’s Settings.
  2. Enable OEM Unlocking and USB debugging in the developer settings.

  1. Now, using a USB cord, connect your LG phone to your computer.
  2. On your computer, open the Command window (or CMD).
  3. Now type the command below into the command window.
    adb devices

  4. When you run the program above, your phone will ask for permission, so choose to Allow debugging.
    Then, to boot your LG phone into Bootloader Mode or Fastboot Mode, type the instructions below.
    adb reboot bootloader

  5. To acquire the unlock device id, put your phone in Fastboot mode and run the command below.
    fastboot oem device-id

  6. The above command will display your device’s id, therefore copy and paste both line codes into notepad. Make the code on a single line, without spaces, and copy it.

  1. Go to the LG Official Unlock link on your browser. Make sure you’re logged in to the website. It required since it will send an unlock file to your email address.
  2. After logging in, go to the same site and scroll down to the bottom of the page to the ‘Starting Unlocking the Bootloader’ button.
  3. It will take you to the following page, where you must fill out the relevant information, including your phone’s IMEI number. And in Device ID, type the one-line code you acquired in step 12 into the box.
  4. After you’ve filled out all of the needed information, click Confirm. Then, on the Legal Terms page, click Agree, and the unlock file will be sent to your email.
  5. Download the unlock.bin file that was emailed to you and save it to the C:adb folder.
  6. Replace the address C:adb with CMD and hit enter at the C:adb location. It will launch the command prompt.

  1. Enter the following command in the command window or CMD.
    fastboot flash unlock unlock. bin

  2. The above command will unlock the LG phone’s bootloader and wipe all data. Wait till it proves its worth in CMD.

  3. To boot your phone into the system, use the command below.
    restarting fastboot

Your phone will now boot into the operating system with the bootloader unlocked.

  • Forum posts: 4

Feb 5, 2022, 3:31:45 AM via Website

Thank for your help

  • Forum posts: 5

Feb 5, 2022, 8:30:53 AM via Website

Visit LG service center

  • Forum posts: 11

Feb 7, 2022, 8:07:40 AM via Website

thank you for this post