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Mobile phone Wikipedia

A common data application on mobile phones is Short Message Service (SMS) text messaging. Feature phones have basic software platforms whilst smartphones have a fully-featured operating system (commonly abbreviated to an OS), with the two most-used platforms being Android and iOS. The exact number of cycles depends on factors such as charging habits, operating temperature, and battery management systems. The small speakers can also be used to listen to digital audio files of music or speech or watch videos with an audio component, without holding the phone close to the ear. Because of these problems, the performance of mobile phone CPUs is often more appropriately given by scores derived from various standardized tests to measure the real effective performance in commonly used applications.
In many countries, mobile phones are used to provide mobile banking services, which may include the ability to transfer cash payments by secure SMS text message. 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 race to create truly portable telephone devices began after World War II, with developments taking place in many countries.

• Furthermore, mobile phones offer satellite-based services, such as navigation and messaging, as well as business applications and payment solutions (via scanning QR codes or near-field communication (NFC)).
• In February 2014, 93% of mobile developers were targeting smartphones first for mobile app development.
• 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.
• 3G is able to provide mobile broadband access of several Mbit/s to smartphones and mobile modems in laptop computers.
• In many countries, mobile phones are used to provide mobile banking services, which may include the ability to transfer cash payments by secure SMS text message.
• A common data application on mobile phones is Short Message Service (SMS) text messaging.
• Depending on the device’s type and design, the screen fills most or nearly all of the space on a device’s front surface.

Smartphones are defined by their advanced computing capabilities, which include internet connectivity and access to a wide range of applications. Mobile phone technology has progressed significantly since its origins, evolving from large car-mounted systems to compact, handheld devices. Furthermore, mobile phones offer satellite-based services, such as navigation and messaging, as well as business applications and payment solutions (via scanning QR codes or near-field communication (NFC)). The Motorola Razr V3 and LG Chocolate are two examples of devices that were popular for being fashionable while not necessarily focusing on the original purpose of mobile phones, i.e. a device to provide mobile telephony.
A hybrid mobile phone can hold up to four SIM cards, with a phone having a different device identifier for each SIM Card. The SIM card allows users to change phones by simply removing the SIM card from one mobile phone and inserting it into another mobile phone or broadband telephony device, provided that this is not prevented by a SIM lock. The SIM card is approximately the size of a small postage stamp and is usually placed underneath the battery in the rear of the unit. Most modern mobile phones use lithium-ion (Li-ion) batteries, which are designed to endure between 500 and 2,500 charge cycles. The typical lifespan of a mobile phone battery is approximately two to three years, although this varies based on usage patterns, environmental conditions, and overall care.

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3G is able to provide mobile broadband access of several Mbit/s to smartphones and mobile modems in laptop computers. These first-generation (1G) systems could support far more simultaneous calls but still used analog cellular technology. Early predecessors of cellular phones included analog radio communications from ships and trains. “Mobile phone” is the most common English-language term, while the term “cell phone” is in more common use in North America – both are in essence shorter versions of “mobile telephone” and “cellular telephone”, respectively.
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). 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. A handheld mobile radio telephone service was envisioned in the early stages of radio engineering.
A mobile phone or cell phone is a portable wireless 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). Text messaging, which are performed on mobile phones, has also led to the creation of ‘SMS language’. In Japanese mobile phone culture for example, mobile phones are often decorated with charms.

Software

• 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%.
• By contrast, smartphones generally use a mobile operating system that often shares common traits across devices.
• A hybrid mobile phone can hold up to four SIM cards, with a phone having a different device identifier for each SIM Card.
• A cellular network mobile phone system gets its name from dividing the service area into many small cells, each with a base station with (for example) a useful range on the order of a kilometer (mile).
• Enabling contactless payments through NFC-equipped mobile phones requires the co-operation of manufacturers, network operators, and retail merchants.
• 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.

In 2013, a national survey in the US reported the number of drivers who reported using their cellphones to access the Internet while driving had risen to nearly one of four. This can lead to drivers being stopped for using their device illegally for a phone call when, in fact, they were using the device legally, for example, when using the phone’s incorporated controls for car stereo, GPS or satnav. This is more apparent in countries which ban both handheld and hands-free usage, rather than those which ban handheld use only, as officials cannot easily tell which function of the mobile phone is being used simply by looking at the driver. Due to the increasing complexity of mobile phones, they are often more like mobile computers in their available uses. 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.

This was followed by 3.5G or 3G+ enhancements based on the high-speed packet access (HSPA) family, allowing UMTS networks to have higher data transfer speeds and capacity. In 2001, the third-generation (3G) was launched in Japan by NTT DoCoMo on the WCDMA standard. Cooper made the first ever call on a cell phone when he called cash lounge casino Joel S. Engel, a rival of his who worked for AT&T, saying, “I’m calling you on a cell phone, but a real cell phone, a personal, handheld, portable cell phone.”

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. 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. The International Telecommunication Union measures those with Internet connection, which it calls Active Mobile-Broadband subscriptions (which includes tablets, etc.). The term “5G” was originally used in research papers and projects to denote the next major phase in mobile telecommunication standards beyond the 4G/IMT-Advanced standards. The first publicly available LTE service was launched in Scandinavia by TeliaSonera in 2009. By 2009, it had become clear that, at some point, 3G networks would be overwhelmed by the growth of bandwidth-intensive applications, such as streaming media.