13 Facts About Cell phones

Mobile Cell phones are considered an important human invention as it has been one of the most widely used and sold pieces of consumer technology.

Early predecessors of cellular phones included analog radio communications from ships and trains.

Lithium-ion battery, an indispensable energy source for modern mobile Cell phones, was commercialized by Sony and Asahi Kasei in 1991.

Feature phone is a term typically used as a retronym to describe mobile Cell phones which are limited in capabilities in contrast to a modern smartphone.

Feature Cell phones typically provide voice calling and text messaging functionality, in addition to basic multimedia and Internet capabilities, and other services offered by the user's wireless service provider.

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Low-end mobile Cell phones are often referred to as feature Cell phones and offer basic telephony.

Mobile Cell phones have central processing units, similar to those in computers, but optimised to operate in low power environments.

Mobile Cell phones require a small microchip called a Subscriber Identity Module or SIM card, in order to function.

From 2010 onwards, such Cell phones became popular in emerging markets, and this was attributed to the desire to obtain the lowest calling costs.

Mobile Cell phones are used for a variety of purposes, such as keeping in touch with family members, for conducting business, and in order to have access to a telephone in the event of an emergency.

Recently, unique content for mobile Cell phones has been emerging, from ringtones and ringback tones to mobisodes, video content that has been produced exclusively for mobile Cell phones.

Some mobile Cell phones can make mobile payments via direct mobile billing schemes, or through contactless payments if the phone and the point of sale support near field communication .

Such Cell phones are approved for use by essential workers, such as health, security, and public service workers.