Reliance jio sim is can not working in some days.jio sim is not to do work really well.it causes network problem in many areas.in few days many peoples sims are can not working. It problem caused and many problems are faces the bad effect on jio sim.when customer calls to customer care then customer care can not give same answer.problems not solves customer care in given times most time take to solve our problem.many times peoples are do call and customer care can not give exact information about what are we asking.in few days the sims are not give properly network to sim and jio give very slow speed like 2g I want say jio where are not jio towers are located they do work to place jio towers in areas where are the network problems.jio give superfast speed but many defects are caused by jio because the many students are preparing his or her exams they can not prepare really well because of the when internet is available in our phone and it comes free then peoples not avoid to use it.in exam days childrens focus on social sites and divert his minds from exam.jio can do one thing the jio network problem can solve by some improvements in towers and locations.in village peoples the jio sim is not attach properly because of the long lines in stores where is the jio sim is available so solve every problems in jio sim and peoples want improvement