Reliance is a network operator.mukesh ambani now launched reliance jio.reliance jio is a wireless 4g network.its giving unlimited i4g internet .unlimited local and std calls.unlimited sms .unlimited video calling facility with 100 mbps speed .all these are absolutely free.it work on all 22 circles.it made us free of using unlimited net.poor peoples cant afford net recharge .but by jio network .they can now use free net.company giving jio sim only on 4g smartphones. firstly this sim was availae only with lyf mobiles.but now company is giving this sim on all 4g lte mobile phones .if we want to borrow this sim then first we have to generate bar code by downloading my joo app from google play store or any other apo store .then after veryfying on my jio app.we have to download all apps from the my jio app .then after downloading on all these apps.an icon is show which said to us that get jio sim.by clicking on this .a bar code we see.then we to go any reliance office.and show them the bar code and give the amount that he wants.now he will give u the jio sim.and will be activated in 1 or 2 day.it made our digital life so fast.it is free of cost. safe.and better than oter network. thank u