I am using relince jio sim in thi starting I used this netork very good internet apeed about to avg 10 mbps but after ine month this is ver bad network provider and the calling system of this netork is ver poor if you called some one this call is not connected in first attemt using 10to15 attemt for calling and this is very bad network forever I am seen so I am susseted you not to used jio netork otherwise you faced many problems.ok thanku.