I want to root my Cherry Mobile Omega HD 3s

I want to root my Cherry Mobile Omega HD 3s but Kingoroot, Kingroot, and Framaroot is not working on my phone. I hope you can help me with this, or can you give any easy way to root my phone? It is running in Android Marshmallow 6.0

from xda-developers http://ift.tt/2bXbzEJ
via IFTTT