Androidbiits.com will share a simple trick with Asus Zenfone 4 Max ZC520KL X00I owners who are trying to unlock bootloader of their phone. It comes with 5.2 inches display, Android 7.0 Nougat operating system, Adreno 308 graphics processing unit, 13MP rear camera, LED flash, high dynamic range support and 156g weight. If you have recently bought Zenfone 4 Max ZC520KL X00I, 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 4 Max ZC520KL X00I. Locked bootloader does not allow us to install custom ROM on our phone. It only loads the authorized Android OS with a digital signature. Androidbiits.com will help you in unlocking Asus Zenfone 4 Max ZC520KL bootloader using Unlock Device App. You will be able to install custom ROM after unlocking bootloader. Previously, I have published the simple instructions for performing a hard reset on Doogee T20mini. Now, I will discuss about the step-by-step tutorial to unlock bootloader in Asus Zenfone 4 Max.

I am hoping that you will be able to unlock bootloader in Zenfone 4 Max ZC520KL X00I using Unlock Device App without facing any problem after reading the tutorial written in Androidbiits.com. Don’t forget to activate developer options. You must note that your Zenfone 4 Max ZC520KL X00I 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 4 Max ZC520KL X00I, then you must be eagerly waiting to unlock bootloader. You must save your important documents securely including messages and contacts before unlocking Zenfone 4 Max ZC520KL X00I 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 bootloader in Zenfone 4 Max ZC520KL X00I. Androidbiits.com will not be responsible if your phone got broken during bootloader unlock process. Zenfone 4 Max battery must be above 86 percentage before bootloader unlock process. You must follow these steps at your own risk.

How to Unlock Bootloader in Asus Zenfone 4 Max ZC520KL X00I Easily [Simple Steps]

1. Tap “Settings” Menu, then you have to tap “About” option on your Asus Zenfone 4 Max.

2. Tap build number several times until you see “You are now a developer” message.

3. Tap “Settings” Menu again.

4. Tap “Developer options”, then activate “USB debugging” option.

5. Tap “Settings”, then tap “Apps and notifications” on your Asus Zenfone 4 Max.

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

7. Tap “Install unknown apps”, then select “Chrome” and enable “Allow from this source” option on Asus Zenfone 4 Max.

8. Open Chrome browser on your Asus Zenfone 4 Max and download Unlock Device App apk. You can download Unlock Device App from Asus official website.

9. Install Unlock Device App apk on your phone.

10. Open Unlock Device App on your phone.

11. Tap “Press to Unlock your Device” button on your Asus Zenfone 4 Max.

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

You have successfully unlocked bootloader in Zenfone 4 Max ZC520KL X00I. If you are experiencing any difficulty while unlocking Zenfone 4 Max bootloader, then don’t hesitate to share your issue with Androidbiits.com. Please submit your email address and subscribe to get more information regarding Asus Zenfone 4 Max. You must check your email to activate subscription.