Reliance Company this year JIO SIM is launched Is 4G network. Today, there is no such company the 3 -month unlimited 4g network give for free. Any other company not given unlimited 4G network. LYF is to get mobile with jio sim . Unlimited massage and Unlimited Calling and unlimited data using only three month. So is it good enough jio sim. ? 2999 only jio sim with LYF mobile. How good is the speed. Three-four on the second mbbs. The reliance jio network is quite good.today, reliance given free unlimited all not given any other company. Reliance jio is best network.It is so very good think Reliance company.