Jio sim is verey popular in india.jio give good network services.jio network coverage every town give true 4 G speed.but hills area give some problem I mean slowly running.
jio customer service centre now a days good.now jio give full customer service.
jio give every free with true 4G speed as free voice call, video call, Internet, sms etc everything is free.i recommended all customers buy a jio sim and enjoy full-time.