There are certain lot of things which have upgraded in Jio application as well as in Jio network. The speed of the internet is appreciable but sometime speed is very slow due to increasing the costumers. I have an iphone but when I got this sim only internet is working then I update my iphone as well as Jio application there is lot of certain things are upgraded. Now I use all the features and services from this company. Also there are some problems about calling which they have to need to solve this like most of the operators doesn’t receive the call from this network.