Jio is an mobile operator launched by reliance by mukesh ambani on the arrival of this sim other sim get betrayed because of its offers but I critically face problem from this my phone supports true volte but I cant call without jio 4g voice I want to be always online if I want to recieve calls this is one of the disadvantages of the company I had mailed several times to jio to rectify this problem but no rply from there they also offers speed upto 5 mb/sec but still now I dont even get atleast 1mb/sec this seriously affects my internet usage I cant call international call through it this seriously affects me so I am not illtreating jio its a good company give super offers