How to Unlock Bootloader of Asus Zenfone Selfie ZD551KL Z00UD Easily [Simple Steps] will share a simple trick with Zenfone Selfie ZD551KL Z00UD owners who are trying to unlock bootloader of their phone. It comes with oleophobic coating protection, 170g weight, GPS support, plastic frame and 68.3 percent screen-to-body ratio. If you have recently bought Zenfone Selfie ZD551KL, 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 Selfie ZD551KL Z00UD. 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 Selfie ZD551KL bootloader using Unlock Device App. You will be able to install custom ROM after unlocking bootloader. Previously, I have published the simple instructions for unlocking bootloader of Asus Zenfone 2 Laser ZE550KL. Now, I will discuss about the step-by-step tutorial to unlock bootloader of Asus Zenfone Selfie ZD551KL.

I am hoping that you will be able to unlock Zenfone Selfie ZD551KL Z00UD bootloader using Unlock Device App without facing any problem after reading the tutorial written in Don’t forget to activate developer options. You must note that your Zenfone Selfie ZD551KL Z00UD 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 Selfie ZD551KL Z00UD, then you must be eagerly waiting to unlock bootloader. You must save your important documents securely including messages and contacts before unlocking Zenfone Selfie ZD551KL 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 Selfie ZD551KL Z00UD bootloader. will not be responsible if your phone got broken during bootloader unlock process. Zenfone Selfie 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 Selfie ZD551KL Z00UD 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 Selfie.

4. Open Chrome browser on your Asus Zenfone Selfie ZD551KL and download Unlock Device App 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 Selfie ZD551KL Z00UD. If you are experiencing any difficulty while unlocking Zenfone Selfie bootloader, then don’t hesitate to share your issue with Please submit your email address and subscribe to get more information regarding Zenfone Selfie. You must check your email to activate subscription. I’ll help you in unlocking bootloader of your phone.

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