It very simple to use . I’m using jio fromy days turst me it is very interesting sim to use many people say that it have bad network but no it has very good network it has 4g network with very good network speed it requires 4g smartphone but now it work also on 3g 2g phones . dear user in jio sim we will enjoy free call also a free internet. we will enjoy it’s jio cinema also . It’s free of cost plan it going till march 2017 . yes till march not till December 2016 . u can this sim every recharge shop aur any where else in mobile electronics shop . many people says that it is not good sim company making as fool . iska bill aata h but esa nhi h . ye sub fake h Ji Han sb fake h use kto ise free main mza lo Bhai log main bhi le rha Hun . Sb le rhe hain tum bhi lo apne sb doston ko bhi btao