In telecommunication systems, 4G is the fourth generation of mobile phone mobile communication technology standards. It is a successor to the third generation (3G) standards. A 4G system provides mobile ultra-broadband Internet access, for example to laptops with USB wireless modems, to smartphones, and to other mobile devices. Conceivable applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing, 3D television, and cloud computing.
China Mobile has started its 4G service from November 1, 2013. Apple starts offering versions of the two latest iPhone 5c 5s models compatible with TD-LTE, the 4G standard used by China Mobile. Samsung N7108D, Huawei G716 are also compatible with the TD-LTE.