Mobile phone

cell phonemobilemobile phonescellular phonecell phonescellphonemobile telephonecellular telephonemobile telephonycellular phones
A mobile phone, cell phone, cellphone, or hand phone, sometimes shortened to simply mobile, cell or just phone, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.wikipedia
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Smartphone

smartphonessmart phonesmart phones
Mobile phones offering only those capabilities are known as feature phones; mobile phones which offer greatly advanced computing capabilities are referred to as smartphones. In first quarter of 2016, the top smartphone developers worldwide were Samsung, Apple, and Huawei, and smartphone sales represented 78 percent of total mobile phone sales.
Smartphones (contraction of smart and telephone) are a class of mobile phones and of multi-purpose mobile computing devices.

GSM services

servicesmobile data serviceGSM
In addition to telephony, 2000s-era mobile phones support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, video games, and digital photography.
Global System for Mobile Communications (GSM) services are a standard collection of applications and features available to mobile phone subscribers all over the world.

Cellular network

cellularmobile networkcellular networks
Modern mobile telephone services use a cellular network architecture, and, therefore, mobile telephones are called cellular telephones or cell phones, in North America.
This enables a large number of portable transceivers (e.g., mobile phones, tablets and laptops equipped with mobile broadband modems, pagers, etc.) to communicate with each other and with fixed transceivers and telephones anywhere in the network, via base stations, even if some of the transceivers are moving through more than one cell during transmission.

Feature phone

feature phonesfeaturephonecell phones
Mobile phones offering only those capabilities are known as feature phones; mobile phones which offer greatly advanced computing capabilities are referred to as smartphones.
Feature phone is a term typically used as a retronym to describe a class of mobile phones.

HMD Global

NokiaHMDHMD Global Oy
For feature phones (or "dumbphones"), the largest were Samsung, Nokia, and Alcatel.
HMD Global Oy, branded as HMD, is a Finnish mobile phone company, made up of the mobile phone business that Nokia had sold to Microsoft in 2014, then bought back in 2016.

Multimedia Messaging Service

MMSmultimedia messagingpicture messaging
In addition to telephony, 2000s-era mobile phones support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, video games, and digital photography.
Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network.

Mobile telephony

mobile communicationmobile telecommunicationsmobile communications
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.
Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location.

Motorola DynaTAC

DynaTACDynaTAC 8000 SeriesDynaTAC 8000x
In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone.
DynaTAC is a series of cellular telephones manufactured by Motorola, Inc. from 1983 to 1994.

Motorola Mobility

MotorolaMotorola IsraelMotorola Mobility Inc.
The first handheld mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing c. 2 kilograms (4.4 lbs).
In the split, Motorola Mobility took the company's consumer-oriented product lines, including its mobile phone business and its cable modems and set-top boxes for digital cable and satellite television services.

Telephone

phonetelephonesLocal Telephone Service
A mobile phone, cell phone, cellphone, or hand phone, sometimes shortened to simply mobile, cell or just phone, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
Hand-held mobile phones were introduced for personal service starting in 1973.

Mobile radio telephone

0Gmanual mobile telephone systemmobile radio telephony
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.
Mobile radio telephone systems were telephone systems of wireless type that preceded the modern cellular mobile form of telephony technology.

John Francis Mitchell

John F. Mitchell
The first handheld mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing c. 2 kilograms (4.4 lbs).
Mitchell led the pioneering development and implementation of the Motorola’s mobile phone technology producing the first portable transistorized pager and cell phone; was the driving force behind building quality into engineering, and the establishment of the Motorola University and Six Sigma Institute; and launched the global Iridium Satellite Constellation.

Samsung Electronics

SamsungSamsung Smart TVSamsung Electronics Co., Ltd.
In first quarter of 2016, the top smartphone developers worldwide were Samsung, Apple, and Huawei, and smartphone sales represented 78 percent of total mobile phone sales.
It is the world's largest manufacturer of mobile phones and smartphones, started with the original Samsung Solstice and later fueled by the popularity of its Samsung Galaxy line of devices.

3GPP

3rd Generation Partnership Project3rd Generation Partnership Project (3GPP)Third Generation Partnership Project (3GPP)
The term 5G is not officially used in any specification or official document yet made public by telecommunication companies or standardization bodies such as 3GPP, WiMAX Forum or ITU-R.
The initial scope of 3GPP was to make a globally applicable third-generation (3G) mobile phone system specification based on evolved Global System for Mobile Communications (GSM) specifications within the scope of the International Mobile Telecommunications-2000 project of the International Telecommunication Union (ITU).

Martin Cooper (inventor)

Martin CooperMarty CooperCooper
The first handheld mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing c. 2 kilograms (4.4 lbs).
He is considered the "father of the (handheld) cell phone" and is also cited as the first person in history to make a handheld cellular phone call in public.

Public switched telephone network

PSTNtelephone networkpublic telephone network
The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN).
Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital in its core network and includes mobile and other networks, as well as fixed telephones.

Internet access

broadband internetbroadbandbroadband Internet access
In addition to telephony, 2000s-era mobile phones support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, video games, and digital photography.
Additionally, Mobile broadband access allows smart phones and other digital devices to connect to the Internet from any location from which a mobile phone call can be made, subject to the capabilities of that mobile network.

Voice over LTE

VoLTEvoice over LTE (VoLTE)VoLTE (4G Calling)
Some audio-quality enhancing features, such as Voice over LTE and HD Voice, have appeared and are often available on newer smartphones.
Voice over Long-Term Evolution (VoLTE) is a standard for high-speed wireless communication for mobile phones and data terminals - including IoT devices and wearables.

Mobile operating system

mobile platformsmobilemobile operating systems
By contrast, smartphones generally use a mobile operating system that often shares common traits across devices.
Mobile operating system milestones mirror the development of mobile phones and smartphones:

Integrated circuit

integrated circuitsmicrochipchip
Mobile phones require a small microchip called a Subscriber Identity Module or SIM card, in order to function.
Computers, mobile phones, and other digital home appliances are now inextricable parts of the structure of modern societies, made possible by the small size and low cost of ICs.

SIM lock

unlockedlockedSIM unlocked
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.
A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks.

WiMAX

Wireless Broadband4G WiMAXmobile WiMAX
The term 5G is not officially used in any specification or official document yet made public by telecommunication companies or standardization bodies such as 3GPP, WiMAX Forum or ITU-R. The first two commercially available technologies billed as 4G were the WiMAX standard, offered in North America by Sprint, and the LTE standard, first offered in Scandinavia by TeliaSonera.
Mobile WiMAX was a replacement candidate for cellular phone technologies such as GSM and CDMA, or can be used as an overlay to increase capacity.

Telephone call

callphone callphone calls
A mobile phone, cell phone, cellphone, or hand phone, sometimes shortened to simply mobile, cell or just phone, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
The call may use land line, mobile phone, satellite phone or any combination thereof.

Apple Inc.

AppleApple ComputerApple Computer, Inc.
In first quarter of 2016, the top smartphone developers worldwide were Samsung, Apple, and Huawei, and smartphone sales represented 78 percent of total mobile phone sales.
Apple would achieve widespread success with its iPhone, iPod Touch and iPad products, which introduced innovations in mobile phones, portable music players and personal computers respectively.

Liquid-crystal display

LCDliquid crystal displayliquid crystal displays
Liquid-crystal displays are the most common; others are IPS, LED, OLED, and AMOLED displays.
Small LCD screens are common in portable consumer devices such as digital cameras, watches, calculators, and mobile telephones, including smartphones.