Jio is result of the biggest investment made by Reliance telecommunication.The day Reliance started Jio Preview people became mad and it was a trending news all over the world as it announced free 4g unlimited for three months with free calls, text, and so on.I got a jio sim with the lyf mobile which is working fine and I am a big fan of reliance.I highly recommend this to everyone.I bought the Jio sim during preview offer.I loved the thrilling 4g speed.I loved it.