VoLTE networks support both voice and data at the same time, without hampering the other. Whereas, the traditional LTE networks may or may not support data and voice together, or may affect the quality of the...

LTE is faster than what is traditionally marketed as 4G. In that regard, it is also usually more expensive. 4G in turn is faster than 3G.

SIM (Subscriber Identity Module) is a memory chip used in mobile phones. The term SIM is used to denote a 2G application. USIM (Universal Subscriber Identity Module) card is also a SIM card for 3G services....