The jio is a very popular network at present india.It gives unlimited data , calls, sms.It is great to give us unlimited data.It is helping very much to the students of india.It gives a speed of 200 kbps witch is not a 4g speed This is enough to download movies music etc because it is free of cost.dowloads are very speedy at nights the speed is more than 4g at nights that is it gives about 14mbps at nights at urban areas and 2 to 4mbps at rural areas.It also have some problems like network frequently drops at villages and other areas where the jio network is less.Due to jio, data charges of other networks also decreased.calls are not activating soon and telling calls are busy some times.