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Mobile phone is a portable telephone terminal that can be used in a wide range, all known as mobile phone or wireless phone, originally just a communication tool, early in China has the common name of \"big phone\".
Mobile phone was first developed from the battlefield mobile phone manufactured by Bell Laboratories in the United States in 1940, after the United States MOTOROLA engineer Martin Cooper invented the world's first commercial mobile phone in 1973. In addition to the typical phone functions, modern mobile phones contain more functions such as cameras, GPS and Internet connection, and they are all loosely referred to as smart phones.
The type of mobile phone, as the name suggests, refers to the external type of mobile phone, and the more commonly used classification is to divide the mobile phone into folding (single screen, double screen), straight plate, slide type, rotary type, side slide type and other categories.
Mobile phones are divided into Smart phones (smart phones) and non-smart phones (Feature phones).