How to Root Zenfone 6 Firmware 2.21.40.39

Since RootZenfoneV3 Can't Root Zenfone 6 with 2.21.40.39 Firmware Version, so i made this tutorial.

1. Download recovery.img from 2.21.40.29 Firmware You can download HERE, or Mirror Here or you can extract it from 2.21.40.29 firmware
2. ADB Fastboot Tool If you don't have it (Download Here)
3. Flash recovery.img
- Go to Fastboot (Turn off Device and Press Power+Volume Down)
- Connect to PC/Laptop
- Open ADB Folder, Shift+Right Click > Open Command Here
- Type fastboot flash fastboot recovery.img
- Wait Until Finish and Reboot
4.  Root with RootZenfoneKitkat, Tutorial Here