Jio make each and every person happy due to its cheaper prize. Sometimes it makes problem while calling to some one but we r happy to join Jio family. Due to this 4g mobile marketing is increasing.And it is roming free and also increasing trp rate. Now for 3g mobiles jiofi is launched .it is not given 4g speed but as compare to 3g speed it is better .thank u so much for reading .