Samsung J5 Prime SM-G570F VoLte Problem Solved

Procedure:  How to enable Volte in Samsung J5 Prime (SM-G570F)
Dial this Code on your Phone

*#272*IMEI Number#

Then change Region INS To INU OR INU To INS.
Then Click On Install
Your Device Will Reboot Automatically, Now Your Volte Problem is solved.
If the above code not works on your device first flash your phone with latest Indian Frimware.
And then try  this code.

100% Working solution.