In 1979, Nippon Telegraph and Telephone (NTT) launched the world's first cellular network in Japan. ... In 1983, the DynaTAC 8000x was the first commercially ...
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A smartphone is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities.
A mobile device or handheld computer is a computer small enough to hold and operate in the hand. Mobile devices are typically battery-powered and possess a ...
A mobile phone (also known as a hand phone, cell phone, or cellular telephone) is a small portable radio telephone. Phone Siemens AX72. This cell phone can ...