When the day release it I use it for long time. and also it provide good service and network. and this is the first internet 4g connection in India.jio is a company of Ambani.and jio is a best provider about of other networks. test by okla sasys that jio is the best 4g speed network jio is affordable budget friendly customisation app now a days I prefer everyone to buy a jio sim.it work really good for me this is best free call provider and free data provider so don’t go with any other service.now its best service provider in india.