Jio is new mobile oprater compny Jio is future of mobile telecom service.jio gained too much users in just 1 month breakingrecords of facebook, whatsapp, microsoft and lot more.and also increasing day by day.free till 31 December and than its 4G service is most cheapest from all othere telecom, which make him tge king of future Jio Sim which has done a great entry in our country by giving free 4G internet and calls, which has been choosen by several users is notthat good as 4G should be. Instead if we use broadband or any other 3G network that is sometimes more faster then Jio.