I like this reliance jio system.And thank full to reliance company and Ambani sir to launch these free system.In these sim free 4Gcall are not good at all.But not bad at all.But its internet speed is awesome.If u need these jio sim then you need a 4G handset.Now it will work on 3G phone.The system was updated on the sim.And you need your ID like your aadhar card and you need a barcode which was download on your 4G or 3G handset by my jio app.The app you will get by play store.And the barcode validity is 8 hours.Go to any mobile store with all that document, barcode and your 4G or 3G handset.You will get the jio sim free
