How To Relock Bootloader For Asus Zenfone 3 ZE552KL ⋆ Major Solution Platform

How To Relock Bootloader For Asus Zenfone 3 ZE552KL

How To Relock Bootloader For Asus Zenfone 3 ZE552KL

How To Relock Bootloader For Asus Zenfone 3 ZE552KL

I saw a lot of users looking up for solution to Relock Bootloader For Asus Zenfone 3 ZE552KL, having gone through the test of my experience, i discovered a work around method to relock bootloader for this model without going through stress. First, i would say it was a painful experience for me, as my initial intention was not related to Bootloader Relock; one thing leads to another, from having to fix corrupted imei, to resulting in a totally dead device. A found a way out to recuperate my device to a working state, and at the same time, realizing that my device’s unlocked Bootloader was relocked officially.

How To Relock Bootloader For Asus Zenfone 3 ZE552KL:

Before We Go On, Let’s First Analyze The Procedures For Re-locking Bootloader For Asus Zenfone 3:

YOU NEED ASUS OFFICIAL FIRMWARE FOR YOUR DEVICE: Device firmware may be different for different models. Let’s take a look at the collection of Zenfone 3 Official Firmware and builds:

 

WW_ZE552KL_13.20.10.137_M3.10.35_Phone-user.raw.zip[Flash Via Asus Flashtool]

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WW_ZE520KL_13.20.10.137_M3.10.35_Phone-user.raw.zip[Flash Via Asus Flashtool]

Download Now

Asus_ZenFone_3_ZE552KL_UL_Z012D_WW_14.2020.1708.56_OTA.zip[Flash Via SD Card]

Download Now

Asus_Zenfone_3_ZE552KL_WW-14.2020.1708.56_OTA.zip[Flash via SD CARD]

Download Now

 

  • You Need Asus CSC Firmware: What Is Asus CSC Firmware?

Asus CSC FIRMWARE is a factory firmware, this is used by developers for engineering  modifications, like Samsung Combination, which can be used to remove Factory Reset Protection{FRP} Asus CSC Factory file can also be used to enable some of the factory engineering interfaces used for imei repair, frp removal and bootloader modification and as well, fixing dead boot issues.

It is easier to work with An Asus device running on a CSC Firmware, than working with the finished and official Operating system.

Get the List Of CSC Firmware For Asus Zenfone 3

Asus ZenFone 3 ZE552KL Dead Boot Repair Guide

Follow These Steps To Relock Bootloader For Asus Zenfone 3 ZE552KL:
Step 1. Download Asus Official Flashtools From here
Step 2. Download Asus USB DRIVERS From here


Step 3 Once you have got the above files and tools, install Asus Official flashtool for flashing Raw images
Step 4. Open Flashtool, make sure you have internet connection, also make sure you have signed out google account from your device.
Step 5. On Flashtool, choose your model at the model tap, our model for this guide is ZE55KL Zenfone 3

Step 6. Now, select browse and navigate to the folder you saved the csc file in zip format. Click on YES to wipe device during flashing[Very important]. Connect device in fastboot mode by powering off, then holding Volume Up+power, once you are on fastboot mode, connect to PC. Look at the flashtool connection interface for your device serial number as shown in the diagram below. Proceed to flashing, tap on the blue ring and your device will be highlighted. Finally, click on START 

 Relock Bootloader For Asus Zenfone 3
Relock Bootloader For Asus Zenfone 3

Step 7. On the process, you may receive a notification for server connectivity error or a prompt to sign in google account, click ok and wait for the flashing process to be done. Wait till you see image successfully flashed, your device may be still stuck in fastboot mode, disconnect and it will be reboot to start up.

Congrats!! You have successfully re-locked bootloader by flashing csc factory firmware. You can boot back to fastboot and confirm your device lock state. See screenshot below

Relock Bootloader For Asus Zenfone 3
Relock Bootloader For Asus Zenfone 3

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One thought on “How To Relock Bootloader For Asus Zenfone 3 ZE552KL

  • July 21, 2019 at 6:39 pm
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