As you know that the jio is the company of mukesh ambani who is richest person he launched first jio sim which was free of cost and many people get offered that buy 4g phone and get free jio sim and the main aim of jio phone was jio sim because jio sim doesn’t work with 4g volte network and when jio 4g phone was launched it was hits every 4g phone due tu low price the middle person also buy it from website and we now suggest about it feature so it’s feature is best and I use this phone I have experience about it 5 month it have 4g volte network about it video quality is best it give a best hq quality and much more thank you.