How To Unlock Asus Zenfone Bootloader

By default, the bootloaders of Asus Zenfone handsets are locked. If you want to modify your Asus Zenfone, you have to unlock its bootloader first. Asus Zenfone users have an option to unlock the bootloader of their phone, but they have to put the burden of this risk on their own shoulders. Once you opt for unlocking the bootloader of your Asus Zenfone, Asus says goodbye to the official warranty for your phone. Afterward, you are not eligible to ask for Asus’s official help on any matter regarding your Zenfone. Such things do not really matter for Android enthusiasts who have decided to unleash the real potential of their device. If you are one such user, you here to learn how you can unlock your Asus Zenfone’s Bootloader. In this tutorial, we will have a look at a step-by-step guide to unlock Asus Zenfone Bootloader.Unlock Asus Zenfone Bootloader

Before taking a step to unlock the bootloader of your Zenfone, it’s very important to understand what you are going to do exactly. The bootloader of your phone is responsible for loading the firmware on your phone. Bootloader’s code is responsible for keeping a check on your phone whether it has been modified or it’s in the original form. The bootloader has the kernel code for a smartphone. Bootloader’s modification allows unsecured services to load on your phone. The companies do not send the phones with unlocked bootloaders in order to ensure the safe and secure operating systems on the smartphones. By unlocking the bootloader of your phone, you are agreeing to allow all the installation of custom ROMs, custom recoveries and everything that adds to the modification of your phone.

While there are some cons of unlocking the bootloader, there are some pros as well. If you are an Android expert, unlocking the bootloader isn’t going to be a big deal for you. As long as you know that the stuff you are flashing on your phone is not going to violate your security, you are all good. There is a long list of handy applications that can add new features or enhance your current operating system by adding a few new elements. Such applications mostly require root access to make changes to your system. To root the phone, again, you need the bootloader unlocked. So in short, to unlock all the power hidden inside your phone, you need to say goodbye to the lock set on the bootloader.

Assuming that Asus Zenfone users have a complete understanding of tweaking their bootloader, we can now head towards the tutorial.

Unlocking Asus Zenfone Bootloader is the easiest thing. Unlike other smartphone manufacturers, Asus has its own application for each smartphone. All you have to do is to get the Bootloader Unlock application for your Zenfone and then agree to Asus’s terms and conditions. Once you have done this, you are free to break the locks. With this tutorial, you can unlock the bootloader of phones like Asus Zenfone 2, Zenfone 3, Zenfone 4, Zenfone 5, Zenfone Delux, Zenfone AR, Zenfone Laser and more.

Download Asus Zenfone UnlockTool for your Phone

  1. Go to Asus Product Support page.
  2. Scroll down to the Support page and select your phone series and the exact device with its model number.
  3. Now on the right side, click on “Drivers and Tools“.
  4. A new page will now open up asking you to select your OS. Select Android as your operating system.
  5. Now you will see a list of downloads. Look for the Bootloader UnlockTool for your phone. If it’s not shown in the first box, click on “See All Downloads” to find it.
  6. Now download the UnlockTool and unzip it to get the APK file.
  7. Copy the unzipped UnlockTool APK file to your Asus Zenfone now.


  1. Download the UnlockTool for your phone carefully. Do not download a wrong tool as it can harm your phone.
  2. Backup your phone. Unlocking the bootloader will wipe everything.
  3. Enable OEM Unlocking and USB Debugging mode on your Asus Zenfone.
  4. You are doing everything at your own risk. In case of a mishap, we may not be held responsible.

How To Unlock Asus Zenfone Bootloader

  1. On your Asus Zenfone, go to Settings > Security > Device administrators > Unknown sources > Tap the radio button to turn on Unknown sources.

    Image Source: Asus Edge Up

  2. Now using a file manager, locate the UnlockTool where you copied it.
  3. Tap the UnlockTool APK to install it.

    Image Source: Asus Edge Up

  4. Once done, open the UnlockTool from your phone’s app drawer.
  5. Read Asus’s End User License Agreement and accept it if you are sure that you want to unlock it now.

    Image Source: Asus Edge Up

  6. Now wait and watch, let the application do its thing. After a reboot, your phone’s bootloader will be unlocked. That’s all.

    Image Source: Asus Edge Up



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