I HAVE USING JIO 4G NETWORK FROM 23/JUNE/2016 I GOT THE SIM WITH MY LYF WIND 6 SMARTPHONE.COMPANY HAS NOT STARTED GIVIND SIM COMMERCIALLY FOR GETTING THE SIM I HAVE PURCHASE PHONE TILL 11/JULY/2016 I HAVE DOWNLOADED OVER 100 GB AND CALLED OVER 400 MINS LOCAL AND STD.SPEED IS GOOD THE 2GB FILE CAN BE DOWNLOADED IN 2 MINS.GOOD SERVICE BY JIO AND HANDSET IS ALSO GOOD THE BIGGEST THING IS THAT THE HAVE NETWORKS ALL OVER INDIA.GET FULL SIGNAL IS MY HOUSE.VOLTE IS WORKING CORRECTLY.