Jio.this name this keyword is now more popular and horror word for other Mobile Network Providers because of the 4G speed, services.
This network is for every person who is irritated with his ISP(Internet Service Provider). it is available with all LYF handsets and Samsung latest 2016 handsets.
Main thing is that Free internet 4G LTE is available for all handsets but the calling service is only working on VoLTE service. This is HD Voice Service started by Jio.