One Click Root for Zenfone Series (Zenfone 4/5/6 and Zenfone 2)

ZenFone RootKit Credit to Shakalaca

DWYOR

NOTES:

1. This program is suitable for Rooting ZenFone 4/5/6 of version 4.x (kitkat) and 5.0 (lollipop) as well as ZenFone 2 (ZE500CL / ZE550ML / ZE551ML).
2. If There is system update, please unroot then apply the update, otherwise it will not boot after the update is complete
3. Install Intel USB Driver and ASUS Driver First

Download Zenfone RootKit:

Mirror

New Version:

Instructions:

1. Make sure the computer can detect ASUS Android Bootloader Interface and ASUS Composite ADB Interface
2. Turn On USB debugging and connected to the computer via USB cable
3. Execute (Double Click) Root.bat 
   

How to Root ASUS Zenfone 4 Lollipop (Android 5.0)

Yesterday ASUS roll update Android 5.0 Lollipop for ASUS Zenfone 4 A400CG. Today ASUS Zenfone Blog will teach you How to Root ASUS Zenfone 4 A400CG Lollipop Android 5.0.

DWYOR

Files to Download :

1.  Intel USB Driver (Download)
2.  CWM by X-Team (Download)
3.  SuperSU (Download)

Instructions :

1. Download Files above and Install intel usb driver (if you don't have it)
2. Extract CWM to folder
3. Copy SuperSU to Zenfone 4 SDCard
4. Turn off Zenfone 4
5. Go to Droidboot (Power+Volume up)
6. Connect Zenfone 4 to PC
7. At CWM Folder open cmd (Shift+Right Click > Open Command Here)
8. See device connected properly or not by typing: adb devices if the device listed proceed to next step.
9. Flash cwm, type at cmd: fastboot flash update update.zip
10. Enter CWM choose update from sdcard
11. choose supersu and flash it
12. wait until finish
13. reboot and device rooted
    

DWYOR( Do it With Your Own Risks)
Thanks to:
X-Team ->CWM
chainfire->SuperSU