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Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).
People have often stopped wearing wristwatches in favor of checking the time on their smartphones, and many use the clock features on their phones in place of alarm clocks. [308] Mobile phones can also be used as a digital note taking, text editing and memorandum device whose computerization facilitates searching of entries.
The Magnifier app uses the iPhone's Lidar scanner to identify objects, for example doors, people, and objects, and can describe them to the user, as well as their distance. Door Detection can alert the user through sound, speech, and haptics. [109] Hearing aids that are part of the Made for iPhone program can be controlled from an iPhone.
Nothing was founded in October 2020. It was announced on January 27, 2021, by former OnePlus co-founder Carl Pei, three months after Pei had left OnePlus.The goal of the new company was to "remove barriers between people and technology to create a seamless digital future."
A "white pages" telephone directory. A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory.
Most online people-finder sites charge a small service fee, and the results are based on a standard algorithm that searches through social media networks and other search engines.
4G is the current mainstream cellular service offered to cell phone users, performance roughly 10 times faster than 3G service. [ 4 ] One of the most important features in the 4G mobile networks is the domination of high-speed packet transmissions or burst traffic in the channels.
As cellular phones become more popular, there have been plans to release cell phone numbers into public 411 and reverse number directories via a separate Wireless telephone directory. However, these plans have come under opposition from internet based privacy advocate groups, and blogs, often citing privacy concerns.