How to Root Zenfone 5 Firmware 2.21.40.44

Since RootZenfoneV3 Can't Root Zenfone 5 with 2.21.40.44 Firmware Version, so i made this tutorial.

1. Download Fastboot.img from 2.21.40.30 Firmware Download Here or Mirror HERE, or  you can extract it from 2.21.40.30 firmware
2. ADB Fastboot Tool If you don't have it (Download Here)
3. Flash Fastboot.img
- Go to Fastboot
- Connect to PC/Laptop
- Open ADB Folder, Shift+Right Click > Open Command Here
- Type fastboot flash fastboot fastboot.img
- Wait Until Finish and Reboot
4.  Root with RootZenfoneKitkat, Tutorial Here