Blogger Jateng

Zenfone 5 2018 : Bypass UBL (Update 2024)

In this article i will show you how to do Unofficial Unlock Bootloader & Root without using Asus APK

As you know default way to do unlock bootloader on ASUS phone is using the're official APK. In this tutorial i will show you how to do unlock without using APK.

Asus official android 10 rom has a special feature: it can unlock/lock the bootloader directly from the command-line indefinitely.



Prerequisite

  • Use at your own risk! I am not responsible for your actions
  • Make sure you allready setup ADB fastboot enviroment
  • Make sure you allready update to Android 10 Stock ROM

Video Tutorial

Next

File Needed 

Step to Unlock Bootloader

Unlock token

Get unlock token (fixed value), and save it on a file >> secret.txt

C:\> fastboot getvar secret-key-opt
secret-key-opt: cOmVzgMMwUQmLuXs
Finished. Total time: 0.001s

Virtual Partition

Obtain the virtual partition, value is different for each phone

C:\> fastboot oem get_random_partition
(bootloader) eDJqGqlOezSA
OKAY [ 0.000s]
Finished. Total time: 0.001s

Flash Virtual Partition Into Unlock Token

C:\> fastboot flash eDJqGqlOezSA secret.txt
Sending 'eDJqGqlOezSA' (0 KB) OKAY [ 0.005s]
Writing 'eDJqGqlOezSA' (bootloader) Begin to do frp unlock ...
(bootloader) FRP unlock successful !!!
OKAY [ 0.001s]
Finished. Total time: 0.013s

Check Unlock Ability 

If unlock_ability: 1, it mean you can unlock your bootloader

C:\> fastboot flashing get_unlock_ability
(bootloader) get_unlock_ability: 1
OKAY [ 0.000s]
Finished. Total time: 0.000s

Bootloader And FRP 

  • Unlock Bootloader
    fastboot flashing unlock
  • Lock Bootloader
    fastboot flashing lock
  • Unlock FRP
    fastboot flashing unlock_critical
  • Lock FRP
    fastboot flashing lock_critical

Check Bootloader Status

C:\> fastboot oem device-info
(bootloader) Verity mode: true
(bootloader) Device unlocked: true
(bootloader) Device critical unlocked: true
(bootloader) Charger screen enabled: true
(bootloader) ABL Info: Q-ZE620KL202003
(bootloader) SSN: XXXXXXXXXXXXXXX
OKAY [ 0.008s]
Finished. Total time: 0.009s


source : XDA