Now a days charges are increasing for mobile datas and talk time and now jio has been introduced and it kills other competitors like airtel, idea ets.So many people are craving for mainly net balance , and now reliance has introduced jio for 4g smartphone users.it is best in network coverage, and speed is also great like 20Mbps.but what we can get for free.jio is giving so many offers like free calls, mesaages, mainly internet.This sim will come in handy for heavy internet users.It is the best sim according to me.just go for it.