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Mobile phone Wikipedia

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By contrast, smartphones generally use a mobile operating system that often shares common traits across devices. Smartphones are defined by their advanced computing capabilities, which include internet connectivity and access to a wide range of applications. 3G is able to provide mobile broadband access of several Mbit/s to smartphones and mobile modems in laptop computers.
These converge at the Port of Mobile, which provides intermodal freight transport service to companies engaged in importing and exporting. Mobile is served by four Class I railroads, including the Canadian National Railway (CNR), CSX Transportation (CSX), the Kansas City Southern Railway (KCS), and the Norfolk Southern Railway (NS). Local airline passengers are served by the Mobile Regional Airport, with direct connections to four major hub airports. Mobile is served locally by several over-the-air television stations including WKRG 5 (CBS), WALA 10 (Fox), WPMI 15 (Roar), WMPV 21 (religious), WDPM 23 (religious), WEIQ 42 (PBS), and WFNA 55 (The CW). Mobile’s alternative newspaper is the Lagniappe which was founded on July 24, 2002.
This ensures it can be applied to mobile Internet access, VoIP, video calls, and sending large e-mail messages, as well as watching videos, typically in standard-definition quality. This was followed by 3.5G or 3G+ enhancements based on the high-speed packet access (HSPA) family, allowing UMTS networks onlyspins to have higher data transfer speeds and capacity. These first-generation (1G) systems could support far more simultaneous calls but still used analog cellular technology. A major breakthrough came in 1973, when the first handheld cellular mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola, using a handset weighing 2 kilograms (4.4 lb).

  • Most modern mobile phones use lithium-ion (Li-ion) batteries, which are designed to endure between 500 and 2,500 charge cycles.
  • Of the two, Android has been the best-selling system worldwide on smartphones since 2011, and as of March 2025, Android had 71.9% of the overall market share, while iOS had 27.7%.
  • Feature phone is a term typically used as a retronym to describe mobile phones which are limited in capabilities in contrast to a modern smartphone.
  • Feature 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.
  • Considered to be progressive, as it would reduce the power of ward bosses, this change resulted in the elite white majority strengthening its power, as only the majority could gain election of at-large candidates.

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  • In the earliest mobile phone systems by contrast, all control was done manually; the customer would search for an unoccupied channel and speak to a mobile operator to request connection of a call to a landline number or another mobile.
  • Some audio-quality enhancing features, such as Voice over LTE and HD Voice, have appeared and are often available on newer smartphones.
  • Langan Park, the largest of the parks at 720 acres (291 ha), features lakes, natural spaces, and contains the Mobile Museum of Art, Azalea City Golf Course, Mobile Botanical Gardens and Playhouse in the Park.
  • Demand for metals used in mobile phones and other electronics fuelled the Second Congo War, which claimed almost 5.5 million lives.
  • Structures like the Mobile City Hospital were built on an imposing scale with round doric columns in their facades.
  • Founded in 1927, Bishop State Community College is a public, historically African American, community college with four campuses in Mobile.

Early mobile phones required vehicle installation due to their size and power needs. These 0G systems were not cellular, supported a few simultaneous calls, and were very expensive. The advances in mobile telephony have been traced in successive “generations”, starting with the early zeroth-generation (0G) services, such as Bell System’s Mobile Telephone Service and its successor, the Improved Mobile Telephone Service. The race to create truly portable telephone devices began after World War II, with developments taking place in many countries. Early predecessors of cellular phones included analog radio communications from ships and trains. The growth in popularity has been rapid in some places; for example, in the UK, the total number of mobile phones overtook the number of houses in 1999.
Most early content for mobile phones tended to be copies of legacy media, such as banner advertisements or TV news highlight video clips. Some people carry more than one mobile phone for different purposes, such as for business and personal use. Mobile 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. By 2010, the influence of European companies had significantly decreased due to fierce competition from American and Asian companies, to where most technical innovation had shifted.

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South Alabama basketball is a mid-major team in the Sun Belt Conference. The top graduating high school seniors from their respective states compete each June. The Ladd-Peebles Stadium opened in 1948 and has a current capacity of 40,646, making it the fourth-largest stadium in the state. Mobile’s Jewish community dates back to the 1820s, and the city has two historic Jewish cemeteries, Sha’arai Shomayim Cemetery and Ahavas Chesed Cemetery.

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Native NASCAR drivers include Bubba Wallace, Cale Gale, and Rick Crawford. Former professional basketball player and active coach Antonio Lang was inducted into the city’s own local Mobile Sports Hall of Fame in 2011. Springhill Medical Center was founded in 1975 and is Mobile’s only for-profit facility. BayPointe Hospital and Children’s Residential Services is the city’s only psychiatric hospital.

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In 2008, the University of South Alabama opened the Mitchell Cancer Center Institute, which includes the first academic cancer research center in the central Gulf Coast region. It includes their flagship hospital Mobile Infirmary, two emergency centers and three outpatient surgery centers. Infirmary Health is Alabama’s largest nonprofit, non-governmental health care system. The 200-year-old Mobile County Health Department (MCHD) provides education and preventive health services to Mobile and surrounding areas. When MAWSS was founded in 1814, it used Three-Mile Creek to provide water to the city. The public terminals handle containerized, bulk, breakbulk, roll-on/roll-off, and heavy-lift cargoes.
In March 2011, a US insurance company, State Farm Insurance, announced the results of a study which showed 19% of drivers surveyed accessed the Internet on a smartphone while driving. In September 2010, the US National Highway Traffic Safety Administration (NHTSA) reported that 995 people were killed by drivers distracted by cell phones. Restrictions on the use of mobile phones are applied in a number of different contexts, often with the goal of health, safety, security or proper functioning of an establishment, or as a matter of etiquette. Such phones are approved for use by essential workers, such as health, security, and public service workers.
Enabling contactless payments through NFC-equipped mobile phones requires the co-operation of manufacturers, network operators, and retail merchants. Some mobile 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 (NFC). Eventually, the idea spread and in 1999, the Philippines launched the country’s first commercial mobile payments systems with mobile operators Globe and Smart.citation needed Cash can be deposited or withdrawn from M-PESA accounts at Safaricom retail outlets located throughout the country and can be transferred electronically from person to person and used to pay bills to companies. Recently, unique content for mobile phones has been emerging, from ringtones and ringback tones to mobisodes, video content that has been produced exclusively for mobile phones.citation needed

Cell phone companies will bring a truck with equipment to host the abnormally high traffic. In the earliest mobile phone systems by contrast, all control was done manually; the customer would search for an unoccupied channel and speak to a mobile operator to request connection of a call to a landline number or another mobile. The automation systems can control the “hand off” of a customer handset moving between one cell and another so that a call in progress continues without interruption, changing channels if required. Former systems would cover a service area with one or two powerful base stations with a range of up to tens of kilometers’ (miles), using only a few sets of radio channels (frequencies). The critical advantage that modern cellular networks have over predecessor systems is the concept of frequency reuse allowing many simultaneous telephone conversations in a given service area. Feature phones and basic mobile phones tend to use a proprietary, custom-designed software and user interface.

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