Relince Jio is good network and its fastest speed is very well. Its free trail is very helpful for many peoples in India. Peoples are download many items in a help of high speed. But jio network is not available in all over India. But its data speed is first few hours is good but after few hours its speed is slow down. Reliance Jio sim is not supported in 3G and 2G mobile phone. But in Indian many peoples are using those type of mobiles. So, Jio sim should be able to support in every mobile 2G or 3G mobile.