second hand mobiles for sale
A mobile phone (also known as a cellular phone, battery phone, and a fist phone) is a apparatus that can make and receive telephone calls over a radio link while rousing around a wide geographic area. It does so by joining to a cellular network provided by a mobile phone operator, allowing entrees to the public telephone network. By contrast, a cordless telephone is used only within the short range of a single, private share station.In supplements to telephony, modern mobile phones also nourishment a wide compound of other services such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), undertaking applications, gaming and photography. Mobile phones that submission these and more general reckoning capabilities are referred to as smartphones.
The first hand-held mobile phone was demonstrated by John F. Mitchell[1][2][3] and Dr Martin Cooper of Motorola in 1973, using a handset weighing around 2.2 pounds (1 kg).[4] In 1983, the DynaTAC 8000x was the first to be commercially available. From 1990 to 2011, worldwide mobile phone subscriptions grew from 12.4 million to over 6 billion, penetrating roughly 87% of the global population and obtaining the bottom of the economic pyramid