Hello friends I am dhara I also jio user. in starting services and pack of data price would be fare. in starting they give 90 days pack in 299rs. and now day they gives only 84 days in 399rs. in this sometime also network problem if you have not on internet then you can’t call other people . jio is not work in iphone 5s .if you insert jioin iphone 5s then you install jio 4G voice app then register your jio userid after that you can make call .you make call when your jio sim data connection on otherwise it not work. I also call in customer care but they don’treslove my problem .