How to Downgrade Zenfone Max S410 From 6.0.1 to 5.0.2

Steps to Flash :
1. Driver ADB & Fast boot : http://ouo.io/s/aPLnvzso?s=drive.google.com/file/d/0B2kFletApi72MzJYcVl2WkMzcFk/view?usp=sharing
2. Download Asus flashtool : https://drive.google.com/file/d/0B2kFletApi72bllpTHpQTC1TTms/view?usp=sharing
3. Download ROM RAW Stock 5.0.2 : https://yadi.sk/d/w4IpfDJHv3QrY
4. Install Asus flash tool and open it.
5. Choose Model ZD551KL (this model