Learn how users with BSNL 4G or 5G SIM cards can activate this VoLTE feature. BSNL users can activate the VoLTE feature for enhanced voice clarity during calls. Learn how users with BSNL 4G or 5G ...

There are several ways of providing mobile broadband including 3G, 4G and 5G. 4G is the fourth generation of mobile phone technology. 2G technology was suitable for making calls and sending text ...