Asus Zenfone 2 (4GB) Method To Unlock Bootloader+Root

Asus Zenfone 2 (4GB) Method To Unlock Bootloader+Root

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ASUS Zenfone2 Out In 2015. This Is A Great High-Spec Smartphone For A Great Price Of Success And Concern Smartphone. Formal Way To Unlock The Bootloader Is Still In Commitment And Rumors, In The Meantime XDA Member Shakalaca Play Around With The Asian Development Bank And Trying To Crack The Bootloader Unlock Method Requires Only The Root, Do Not Need Any Asus Communication. It Is Still Unofficial And Dangerous Methods, But Because We Know That “No Pain No Gain.” Here Is Unlocked Bootloader And Root Asus Zenfone2 Guide.


This Method Is Also Applicable To Asus Zenfone 2  ZE550ML Users, using the 2.19.40 update.

Rooting Asus Zenfone 2

The Following Method Is Foolproof Mentioning, If Serious Steps To Comply. The Advantages Of This Approach Are:

  • Can update via OTA (over-the-air)
  • No boot loops
  • Unrooting is not necessary before applying OTA


  • Download And Install Asus Zenfone 2 Drivers From Here
  • Download A Root Key Tool For Asus Zenfone2: Links
  • Enable USB Debugging Under Development Options (Can Be Set By A Plurality Of Taps To Enable The Internal Version Number> About)
  • Decompress With Winrar Or 7zip, Your Phone Is Connected To A PC
  • CheckBeforeAction.Bat Run Extracted From The Toolkit Folder. You Will Be Confirmed Next Step
  • Then Run Root_zenfone.Bat
  • Your ASUS Zenfone2 Automatic Root.

Complete Step-By-Step Instructions

  • Update Your ASUS Zenfone 2 To 2.19.40 Update.
  • Make Sure Your Device Is Rooted.
  • ADB Review The Installation And Are On Your PC.
  • Run EnterShell.bat Or Open Command On ZenFoneRootKit-Files  By (shift+Mouse Right Click) Open Command Here Enter The Following Command In The CMD Window.
adb shell 
getprop ro.isn > /factory/asuskey 
reboot bootloader

The Phone Will Re-Boot Programs And Their Own Updated Phone Will Restart, And Once Again ASUS Splash Screen Will Be White (Unlocked Bootloader With A Black Screen, You’Ll See The Difference Yourself).

  • Downloaded From Here Black Splash Screen, And Copy It To A Folder ZenFoneRootKit-Files .
  • Rename splashscreen_ze551ml.img to  splashscreen.img
  • Navigate To  ZenFoneRootKit-Files Folder Opens Cmd By  By (shift+Mouse Right Click) Open Command Here Enter The Following Command In The CMD Window
adb reboot bootloader 
fastboot devices
  • The Device Must Be Listed In This Case. Execute The Following Command
fastboot flash splashscreen splashscreen.img
  • Restart The Phone And See The Boot Screen Is Back.

Congratulations! Your Bootloader Unlocked And Rotted. The Following Steps Will Not Be From The Internal Memory And SD Card, But The Backup Data Loss Under Any Circumstances, If You Are Out Of Luck.


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