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Mobile phone Wikipedia

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 mobile phone or cell phone is a portable wireless telephone cash lounge casino 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.
Most early content for mobile phones tended to be copies of legacy media, such as banner advertisements or TV news highlight video clips. There are a huge variety of apps, including video games, music products and business tools. The first mobile news service, delivered via SMS, was launched in Finland in 2000, and subsequently many organizations provided “on-demand” and “instant” news services by SMS.

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The first GSM phones and many feature phones had NOR flash memory, from which processor instructions could be executed directly in an execute in place architecture and allowed for short boot times. Capacity was further increased when phone companies implemented digital networks. Due to bandwidth limitations each cell will have a maximum number of cell phones it can handle at once. The cell towers are usually interconnected to each other and the phone network and the internet by wired connections.

• In Japanese mobile phone culture for example, mobile phones are often decorated with charms.
• A common data application on mobile phones is Short Message Service (SMS) text messaging.
• In Europe, regulations and technology have allowed the limited introduction of the use of passenger mobile phones on some commercial flights, and elsewhere in the world many airlines are moving towards allowing mobile phone use in flight.
• 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.
• Depending on the device’s type and design, the screen fills most or nearly all of the space on a device’s front surface.
• In February 2014, 93% of mobile developers were targeting smartphones first for mobile app development.
• 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)).

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• For feature phones as of 2016update, the top-selling brands were Samsung, Nokia and Alcatel.
• Mobile phones are considered an important human invention as they have been one of the most widely used and sold pieces of consumer technology.
• A study by the London School of Economics found that banning mobile phones in schools could increase pupils’ academic performance, providing benefits equal to one extra week of schooling per year.
• Studies have shown that around 40–50% of the environmental impact of mobile phones occurs during the manufacture of their printed wiring boards and integrated circuits.
• As of 2007, some hospitals had banned mobile devices due to a common misconception that their use would create significant electromagnetic interference.
• Even so, mobile phones typically have less value on the second-hand market if the phones original IMEI is blacklisted.

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. Mobile phones are considered an important human invention as they have been one of the most widely used and sold pieces of consumer technology. For feature phones as of 2016update, the top-selling brands were Samsung, Nokia and Alcatel. In 1979, Nippon Telegraph and Telephone (NTT) launched the world’s first cellular network in Japan.

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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.
The introduction of Apple’s App Store for the iPhone and iPod Touch in July 2008 popularized manufacturer-hosted online distribution for third-party applications (software and computer programs) focused on a single platform. A mobile app is a computer program designed to run on a mobile device, such as a smartphone. 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%. SIM and R-UIM cards may be mixed together to allow both GSM and CDMA networks to be accessed.

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. In Israel, similar phones to kosher phones with restricted features exist to observe the sabbath; under Orthodox Judaism, the use of any electrical device is generally prohibited during this time, other than to save lives, or reduce the risk of death or similar needs. Demand for metals used in mobile phones and other electronics fuelled the Second Congo War, which claimed almost 5.5 million lives. Even so, mobile phones typically have less value on the second-hand market if the phones original IMEI is blacklisted.

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 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.”