Hi friends I am using Jio sim a long time and of course jio is very good network providing high speed 4g some are reporting that you get slow network it depend on area location and it is very good service how the Reliance jio to give and 399 with 1 GB and free calling for 3 months and jio starting time is nobody can explain how its possible free calling and highest paid for the Shri for 3 months