Jio is the feature of digital India giving pure volte and fastest 4g data speeds with best plans and they offer u the best hotspots called as jiofi routers and mobile phone devices called lyf mobiles for very affordable price which supports volte has well coming to volte-voice over long term evolution, gives u best calling experience through 4g lte, and data speeds are also good in my opinion and they offer some apps such as live TV , games , music, e-commerece called Ajio, Jio is the best in my opinion.