Jio is best from all side. I have been using for 7 month.first I used the other operating system .but I was not satisfied with those system.jio have direct video calling system but it does not have any other network.when we are calling someone we can’t use internet with another network but with jio we can do it .sooo, I prefer jio to all.for enjoy the highest speedy mobile network.with jio we can feel the orginal 4G network .Jio is best from all side.i love jio.thank you.