Help me Root Samsung Galaxy express 2

[Guest g2by]

Hi ! Can you help me root my phone? Is a Samsung Galaxy express 2 , bought from Vodafone. I tryed a lot of tools, programs, nothing seems to work. (Odin with CF auto root, vroot, kingo root, One click root)

The phone have Android 4.4.2 and Knox.

 

I appreciate if you could help me.

Thank you