Mobile phone, cellular phone, cell phone, cellphone, handphone, hand phone or pocket phone, sometimes shortened to simply mobile, cell, or just phone, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
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In 1979, Nippon Telegraph and TeleMobile phone launched the world's first cellular network in Japan.
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From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion; enough to provide one for every person on Earth.
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The race to create truly portable teleMobile phone devices began after World War II, with developments taking place in many countries.
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Many smartMobile phone displays have an aspect ratio of 16:9, but taller aspect ratios became more common in 2017.
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Hybrid mobile phone can hold up to four SIM cards, with a phone having a different device identifier for each SIM Card.
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Mobile phone has been used in a variety of diverse contexts in society.
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In 1998, one of the first examples of distributing and selling media content through the mobile phone was the sale of ringtones by Radiolinja in Finland.
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Hackers have been able to track a Mobile phone's location, read messages, and record calls, through obtaining a subscribers Mobile phone number.
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Accidents involving a driver being distracted by talking on a mobile phone have begun to be prosecuted as negligence similar to speeding.
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The mobile phone is in category 2B, which ranks it alongside coffee and other possibly carcinogenic substances.
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Anyone can report their Mobile phone as lost or stolen with their Telecom Carrier, and the IMEI would be blacklisted with a central registry.
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