Reliance jio 4g sim card get free from lyf wind2 mobile.lyf all mobils is true 4g and volte.but jio internet spead give me in home 500kbps to 800kbps and other plases give me 2mbps to 5mbps this spead is bot a 4g .i oprate other sim card is airtel this give me 23mdps spead in home .some times not downlod files.slow downlod spead and uplod spead is very low .not a network in my citty good .compare to bsnl and jio bsnl is good .becouse of bsnl give 250rs unlimited plan and jio give 50rs for 1gb.jio not work proparly in sim slot 2.