How to Unlock Bootloader of Asus Zenfone 3 ZE520KL Z017D Easily [Simple Steps] will share a simple trick with Asus Zenfone 3 ZE520KL Z017D owners who are trying to unlock bootloader of their phone. It comes with rear-mounted fingerprint sensor, Qualcomm MSM8953 Snapdragon 625 processor, 16MP camera, dual-LED dual-tone flash and FM radio. If you have recently bought Zenfone 3 ZE520KL, then you might be planning to unlock its bootloader. As we know, bootloader is a program that starts whenever phone is turned on. It activates the Android operating system on Zenfone 3 ZE520KL Z017D. Locked bootloader does not allow us to install custom ROM on our phone. It only loads the authorized Android OS with a digital signature. will help you in unlocking Zenfone 3 ZE520KL bootloader using Unlock Device App V9.2.0.0. You will be able to install custom ROM after unlocking bootloader. Previously, I have published the simple instructions for unlocking bootloader of Asus Zenpad 3S. Now, I will discuss about the step-by-step tutorial to unlock bootloader of Asus Zenfone 3.

I am hoping that you will be able to unlock Zenfone 3 ZE520KL Z017D bootloader using Unlock Device App V9.2.0.0 without facing any problem after reading the tutorial written in Don’t forget to activate developer options. You must note that your Zenfone 3 ZE520KL Z017D will lose warranty after the bootloader unlock process. It will let you install Custom ROM. You must activate OEM unlock option on your phone. Bootloader unlock process will also let you install Magisk, so you will be able to root your phone after unlocking its bootloader.

If you are planning to install official and unofficial LineageOS custom ROM on Zenfone 3 ZE520KL Z017D, then you must be eagerly waiting to unlock bootloader. You must save your important documents securely including messages and contacts before unlocking Zenfone 3 ZE520KL bootloader, because there is a possibility of losing all documents from your phone during bootloader unlock process.

Below are the steps using which you can unlock Zenfone 3 ZE520KL Z017D bootloader. will not be responsible if your phone got broken during bootloader unlock process. Zenfone 3 battery must be above 86 percentage before bootloader unlock process. You must follow these steps at your own risk.

How to Unlock Bootloader of Asus Zenfone 3 ZE520KL Z017D Easily [Simple Steps]

1. Tap “Settings”, then tap “Apps and notifications” on your phone.

2. Tap “Advanced”, then tap “Special app access”

3. Tap “Install unknown apps”, then select “Chrome” and enable “Allow from this source” option on Zenfone 3.

4. Open Chrome browser on your Zenfone 3 ZE520KL and download Unlock Device App V9.2.0.0 apk.

5. Install Unlock Device App apk on your phone.

6. Open Unlock Device App on your phone.

7. Tap “Press to Unlock your Device” button on your phone.

8. You have to wait for a few minutes to complete unlock bootloader process.

You have successfully unlocked bootloader of Zenfone 3 ZE520KL Z017D. If you are experiencing any difficulty while unlocking Zenfone 3 bootloader, then don’t hesitate to share your issue with Please submit your email address and subscribe to get more information regarding Zenfone 3. You must check your email to activate subscription. I’ll help you in unlocking bootloader of your phone.

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