Jio wifi have good service and it is reliable and have goid service As jio come with new milestone is set by jio service provider it provide tremendous service its network service is good and after that when it launched its 4G wifi it also create good reputation. I thing jio launched its 4G wifi to provide its service to 3G customers. Because its plan was available only in 4G users. I thing if you are using 3G phone then you should purchase jio wifi to injoy jio 4G offers in your 3G phone.