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SIM lock

Index 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. [1]

113 relations: Andorra, AT&T Mobility, Au (mobile phone company), Australia, Austria, Autoridade Nacional de Comunicações, Belgium, Bell Mobility, Brazil, Brick (electronics), Bruce Hyer, Business model, Canadian Radio-television and Telecommunications Commission, Cell Phone Freedom Act, Chile, Circles.Life, Class action, Code-division multiple access, Commerce Commission, Competition regulator, Console Inc., Contract, Croatia, De facto, Digital Millennium Copyright Act, Dual SIM, Ecuador, Electronic Frontier Foundation, European Court of Justice, European Union, Federal Communications Commission, Federal Register, Finland, Firmware, France, Germany, Grey market, GSM, Hardware restriction, Hash function, Honduras, Hong Kong, India, Info-communications Media Development Authority, International Mobile Equipment Identity, International mobile subscriber identity, IOS jailbreaking, Israel, Italy, List of Nokia products, ..., M1 Limited, Ministry of Internal Affairs and Communications, Missing trader fraud, Mobile country code, Mobile network operator, Mobile number portability, Mobile phone, Mobile virtual network operator, Monaco, Movistar, MyRepublic, Netherlands, New Democratic Party, New Zealand, NTT DoCoMo, Oftel, Onafhankelijke Post en Telecommunicatie Autoriteit, Over-the-air programming, Portugal, Prepaid telephone call, Prepay mobile phone, Presidency of Barack Obama, Private member's bill, Privilege escalation, Randomness, Regional lockout, Reverse engineering, Roaming, Romania, Rooting (Android), Singapore, Singtel, SoftBank Group, Spain, Spark New Zealand, Spark New Zealand Mobile, Sprint Corporation, StarHub, Stuff.co.nz, Subscriber identity module, Subsidy Password, T-Mobile, T-Mobile US, Türk Telekom, Telecom Regulatory Authority of India, Telecommunication, Thailand, The New Zealand Herald, TPG Telecom, Trapdoor function, Unfair Commercial Practices Directive 2005, United Kingdom, United States, United States Armed Forces, United States Copyright Office, United States dollar, United States House of Representatives, United States Senate, Unlocking Consumer Choice and Wireless Competition Act, Vendor lock-in, Vodafone, Vodafone New Zealand, 2degrees. Expand index (63 more) »

Andorra

Andorra, officially the Principality of Andorra (Principat d'Andorra), also called the Principality of the Valleys of Andorra (Principat de les Valls d'Andorra), is a sovereign landlocked microstate on the Iberian Peninsula, in the eastern Pyrenees, bordered by France in the north and Spain in the south.

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AT&T Mobility

AT&T Mobility LLC, also known as AT&T Wireless marketed as simply AT&T, is a wholly owned subsidiary of AT&T that provides wireless services to 138.8 million subscribers in the United States including Puerto Rico and the U.S. Virgin Islands.

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Au (mobile phone company)

au, or au by KDDI, is a mobile phone brand in Japan marketed by KDDI in the main islands of Japan and Okinawa Cellular in Okinawa.

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Austria

Austria (Österreich), officially the Republic of Austria (Republik Österreich), is a federal republic and a landlocked country of over 8.8 million people in Central Europe.

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Autoridade Nacional de Comunicações

Autoridade Nacional de Comunicações (ANACOM) is Portugal’s national regulatory authority for the communications sector, for the purposes of relevant Community and national legislation, including electronic communications and postal services.

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Belgium

Belgium, officially the Kingdom of Belgium, is a country in Western Europe bordered by France, the Netherlands, Germany and Luxembourg.

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Bell Mobility

Bell Mobility Inc. is a Canadian LTE and HSPA+ based wireless provider and the division of Bell Canada which sells wireless services across Canada.

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Brazil

Brazil (Brasil), officially the Federative Republic of Brazil (República Federativa do Brasil), is the largest country in both South America and Latin America.

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Brick (electronics)

The word "brick", when used in reference to consumer electronics, describes an electronic device such as a smartphone, game console, router, or tablet computer that, due to severe physical damage, a serious misconfiguration, corrupted firmware, or a hardware problem, can no longer function, hence, is as technologically useful as a brick.

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Bruce Hyer

Bruce Tolhurst Hyer (born August 6, 1946) is a Canadian politician, the deputy leader of the Green Party of Canada and the former Member of Parliament for Thunder Bay—Superior North.

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Business model

A business model describes the rationale of how an organization creates, delivers, and captures value,Business Model Generation, Alexander Osterwalder, Yves Pigneur, Alan Smith, and 470 practitioners from 45 countries, self-published, 2010 in economic, social, cultural or other contexts.

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Canadian Radio-television and Telecommunications Commission

The Canadian Radio-television and Telecommunications Commission (CRTC, Conseil de la radiodiffusion et des télécommunications canadiennes) is a public organization in Canada with mandate as a regulatory agency for broadcasting and telecommunications.

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Cell Phone Freedom Act

The Cell Phone Freedom Act (the Act) (formally An Act respecting the locking of cellular telephones) was a private member's bill proposed twice to the Parliament of Canada which would have required mobile phone providers remove the SIM lock from devices once a customer reaches the end of their contract.

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Chile

Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west.

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Circles.Life

Circles.Life is a digital telecommunications operator, launched in Singapore in May 2016.

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Class action

A class action, class suit, or representative action is a type of lawsuit where one of the parties is a group of people who are represented collectively by a member of that group.

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Code-division multiple access

Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies.

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Commerce Commission

The Commerce Commission is a New Zealand government agency charged with enforcing legislation that promotes competition in the country's markets and prohibits misleading and deceptive conduct by traders.

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Competition regulator

A competition regulator is a government agency, typically a statutory authority, sometimes called an economic regulator, which regulates and enforces competition laws, and may sometimes also enforce consumer protection laws.

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Console Inc.

Console Enterprises (commonly known as Console) is an American technology company headquartered in Santa Clara, California, that focuses on high-performance Android platform design.

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Contract

A contract is a promise or set of promises that are legally enforceable and, if violated, allow the injured party access to legal remedies.

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Croatia

Croatia (Hrvatska), officially the Republic of Croatia (Republika Hrvatska), is a country at the crossroads of Central and Southeast Europe, on the Adriatic Sea.

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De facto

In law and government, de facto (or;, "in fact") describes practices that exist in reality, even if not legally recognised by official laws.

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Digital Millennium Copyright Act

The Digital Millennium Copyright Act (DMCA) is a United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO).

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Dual SIM

A dual SIM mobile phone is one that holds two SIM cards.

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Ecuador

Ecuador (Ikwadur), officially the Republic of Ecuador (República del Ecuador, which literally translates as "Republic of the Equator"; Ikwadur Ripuwlika), is a representative democratic republic in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean to the west.

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Electronic Frontier Foundation

The Electronic Frontier Foundation (EFF) is an international non-profit digital rights group based in San Francisco, California.

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European Court of Justice

The European Court of Justice (ECJ), officially just the Court of Justice (Cour de Justice), is the supreme court of the European Union in matters of European Union law.

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European Union

The European Union (EU) is a political and economic union of EUnum member states that are located primarily in Europe.

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Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.

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Federal Register

The Federal Register (FR or sometimes Fed. Reg.) is the official journal of the federal government of the United States that contains government agency rules, proposed rules, and public notices.

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Finland

Finland (Suomi; Finland), officially the Republic of Finland is a country in Northern Europe bordering the Baltic Sea, Gulf of Bothnia, and Gulf of Finland, between Norway to the north, Sweden to the northwest, and Russia to the east.

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Firmware

In electronic systems and computing, firmware is a specific class of computer software that provides the low-level control for the device's specific hardware.

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France

France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.

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Germany

Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

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Grey market

A grey or gray market (sometimes confused with the similar term parallel market) refers to the trade of a commodity through distribution channels that are legal but unintended by the original manufacturer or trade mark proprietor.

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GSM

GSM (Global System for Mobile communications) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation digital cellular networks used by mobile devices such as tablets, first deployed in Finland in December 1991.

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Hardware restriction

A hardware restriction (sometimes called hardware DRM) is content protection enforced by electronic components.

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Hash function

A hash function is any function that can be used to map data of arbitrary size to data of a fixed size.

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Honduras

Honduras, officially the Republic of Honduras (República de Honduras), is a republic in Central America.

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Hong Kong

Hong Kong (Chinese: 香港), officially the Hong Kong Special Administrative Region of the People's Republic of China, is an autonomous territory of China on the eastern side of the Pearl River estuary in East Asia.

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India

India (IAST), also called the Republic of India (IAST), is a country in South Asia.

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Info-communications Media Development Authority

The Info-communications Media Development Authority (Abbreviation: IMDA) is a statutory board of the Singapore government, under the Ministry of Communications and Information (MCI).

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International Mobile Equipment Identity

The International Mobile Equipment Identity or IMEI is a number, usually unique, to identify 3GPP and iDEN mobile phones, as well as some satellite phones.

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International mobile subscriber identity

The International Mobile Subscriber Identity or IMSI is used to identify the user of a cellular network and is a unique identification associated with all cellular networks.

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IOS jailbreaking

iOS jailbreaking is privilege escalation for the purpose of removing software restrictions imposed by Apple on iOS, tvOS and watchOS.

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Israel

Israel, officially the State of Israel, is a country in the Middle East, on the southeastern shore of the Mediterranean Sea and the northern shore of the Red Sea.

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Italy

Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.

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List of Nokia products

The following is a list of products branded by Nokia.

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M1 Limited

M1 Limited (previously known as MobileOne) is one of the three major telcos operating in the Republic of Singapore, the other two being Starhub and Singtel.

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Ministry of Internal Affairs and Communications

The is a cabinet-level ministry in the Government of Japan.

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Missing trader fraud

Missing trader fraud (also called missing trader intra-community or MTIC) and the related carousel fraud is the theft of Value Added Tax (VAT) from a government by organised crime gangs who exploit the way VAT is treated within multi-jurisdictional trading where the movement of goods between jurisdictions is VAT-free.

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Mobile country code

The ITU-T Recommendation E.212 defines mobile country codes as well as mobile network codes.

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Mobile network operator

A mobile network operator or MNO, also known as a wireless service provider, wireless carrier, cellular company, or mobile network carrier, is a provider of wireless communications services that owns or controls all the elements necessary to sell and deliver services to an end user including radio spectrum allocation, wireless network infrastructure, back haul infrastructure, billing, customer care, provisioning computer systems and marketing and repair organizations.

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Mobile number portability

Mobile number portability (MNP) enables mobile telephone users to retain their mobile telephone numbers when changing from one mobile network carrier to another.

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Mobile phone

A mobile phone, known as a cell phone in North America, 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.

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Mobile virtual network operator

A mobile virtual network operator (MVNO), virtual network operator (VNO), or mobile other licensed operator (MOLO), is a wireless communications services provider that does not own the wireless network infrastructure over which it provides services to its customers.

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Monaco

Monaco, officially the Principality of Monaco (Principauté de Monaco), is a sovereign city-state, country and microstate on the French Riviera in Western Europe.

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Movistar

Movistar is a major telecommunications brand owned by Telefónica, operating in Spain and in many Hispanic American countries.

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MyRepublic

MyRepublic is a multinational Internet company headquartered in Singapore.

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Netherlands

The Netherlands (Nederland), often referred to as Holland, is a country located mostly in Western Europe with a population of seventeen million.

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New Democratic Party

The New Democratic Party (NDP; Nouveau Parti démocratique, NPD) is a social democraticThe party is widely described as social democratic.

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New Zealand

New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.

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NTT DoCoMo

is the predominant mobile phone operator in Japan.

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Oftel

The Office of Telecommunications (Oftel) (the telecommunications regulator) was a department in the United Kingdom government, under civil service control, charged with promoting competition and maintaining the interests of consumers in the UK telecommunications market.

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Onafhankelijke Post en Telecommunicatie Autoriteit

The Onafhankelijke Post en Telecommunicatie Autoriteit (OPTA, Independent Post and Telecommunications Authority) was an independent Dutch government agency charged with enforcing Dutch law on telecommunication, post and cable TV services that operated between 1997 and 2013.

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Over-the-air programming

Over-the-Air programming (OTA) refers to various methods of distributing new software, configuration settings, and even updating encryption keys to devices like cellphones, set-top boxes or secure voice communication equipment (encrypted 2-way radios).

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Portugal

Portugal, officially the Portuguese Republic (República Portuguesa),In recognized minority languages of Portugal: Portugal is the oldest state in the Iberian Peninsula and one of the oldest in Europe, its territory having been continuously settled, invaded and fought over since prehistoric times.

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Prepaid telephone call

Prepaid telephone calls are a popular way of making telephone calls which allow the caller to control spending without making a commitment with the telephone company.

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Prepay mobile phone

A prepay mobile device (also commonly referred to as pay-as-you-go (PAYG), pay-as-you-talk, pay and go, go-phone or prepaid) is a mobile device such as a phone for which credit is purchased in advance of service use.

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Presidency of Barack Obama

The presidency of Barack Obama began at noon EST on January 20, 2009, when Barack Obama was inaugurated as 44th President of the United States, and ended on January 20, 2017.

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Private member's bill

A private member's bill in a parliamentary system of government is a bill (proposed law) introduced into a legislature by a legislator who is not acting on behalf of the executive branch.

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Privilege escalation

Privilege escalation is the act of exploiting a bug, design flaw or configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user.

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Randomness

Randomness is the lack of pattern or predictability in events.

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Regional lockout

A regional lockout (or region coding) is a class of digital rights management preventing the use of a certain product or service, such as multimedia or a hardware device, outside a certain region or territory.

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Reverse engineering

Reverse engineering, also called back engineering, is the process by which a man-made object is deconstructed to reveal its designs, architecture, or to extract knowledge from the object; similar to scientific research, the only difference being that scientific research is about a natural phenomenon.

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Roaming

Roaming is a wireless telecommunication term typically used with mobile devices (like mobile phones).

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Romania

Romania (România) is a sovereign state located at the crossroads of Central, Eastern, and Southeastern Europe.

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Rooting (Android)

Rooting is the process of allowing users of smartphones, tablets and other devices running the Android mobile operating system to attain privileged control (known as root access) over various Android subsystems.

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Singapore

Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia.

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Singtel

Singapore Telecommunications Limited (commonly abbreviated as Singtel, and previously stylised as SingTel) is a Singaporean telecommunications company.

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SoftBank Group

is a Japanese multinational holding conglomerate headquartered in Tokyo, Japan.

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Spain

Spain (España), officially the Kingdom of Spain (Reino de España), is a sovereign state mostly located on the Iberian Peninsula in Europe.

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Spark New Zealand

Spark New Zealand (formerly Telecom New Zealand) is a New Zealand telecommunications company providing fixed line telephone services, a mobile network, an internet service provider, and a major ICT provider to NZ businesses (through its Spark Digital division).

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Spark New Zealand Mobile

The XT Mobile Network is a UMTS and LTE mobile network run by Spark New Zealand (formerly Telecom New Zealand).

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Sprint Corporation

Sprint Corporation is an American telecommunications company that provides wireless services and is an internet service provider.

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StarHub

StarHub Ltd is one of the three major telcos in the Republic of Singapore, the other two being Singtel and M1.

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Stuff.co.nz

Stuff.co.nz is a New Zealand news website published by Fairfax Digital, a division of Fairfax New Zealand Ltd, a subsidiary of Australian company Fairfax Media Ltd.

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Subscriber identity module

A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers).

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Subsidy Password

The term Subsidy Password is used by Motorola and other handset manufacturers to refer to the 8-digit (or 16-digit code for newer phones such as the Motorola K1) unlock code necessary to remove the operator lock (also known as subsidy lock) from cell phones.

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T-Mobile

T-Mobile is the brand name used by the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG.

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T-Mobile US

T-Mobile US, Inc., commonly shortened to T-Mobile, is a United States-based wireless network operator whose majority shareholder is the German telecommunications company Deutsche Telekom (DT). Its headquarters are located in Bellevue, Washington, in the Seattle metropolitan area. T-Mobile is the third largest wireless carrier in the United States with 74 million customers as of Q1 2018. T-Mobile US provides wireless voice and data services in the United States, Puerto Rico and the U.S. Virgin Islands under the T-Mobile and MetroPCS brands (which it acquired in a reverse takeover in 2013, resulting in the company going public on the NASDAQ stock exchange), and also serves as the host network for many mobile virtual network operators. The company has annual revenues of over $40 billion. In 2015, Consumer Reports named T-Mobile the number one American wireless carrier. In 2017, T-Mobile was ranked #1 in Customer Service Satisfaction by Nielsen.

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Türk Telekom

Türk Telekom is the formerly state-owned Turkish telecommunications company.

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Telecom Regulatory Authority of India

The Telecom Regulatory Authority of India (TRAI) is a statutory body set up by the Government of India under section 3 of the Telecom Regulatory Authority of India Act, 1997.

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Telecommunication

Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.

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Thailand

Thailand, officially the Kingdom of Thailand and formerly known as Siam, is a unitary state at the center of the Southeast Asian Indochinese peninsula composed of 76 provinces.

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The New Zealand Herald

The New Zealand Herald is a daily newspaper published in Auckland, New Zealand, owned by New Zealand Media and Entertainment.

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TPG Telecom

TPG Telecom Limited is an Australian telecommunications and IT company that specialises in consumer and business internet services as well as mobile telephone services.

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Trapdoor function

A trapdoor function is a function that is easy to compute in one direction, yet difficult to compute in the opposite direction (finding its inverse) without special information, called the "trapdoor".

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Unfair Commercial Practices Directive 2005

The Unfair Commercial Practices Directive regulates unfair business practices in EU law, as part of European consumer law.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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United States Armed Forces

The United States Armed Forces are the military forces of the United States of America.

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United States Copyright Office

The United States Copyright Office, a part of the Library of Congress, is the official U.S. government body that maintains records of copyright registration in the United States, including a Copyright Catalog.

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United States dollar

The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its insular territories per the United States Constitution since 1792.

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United States House of Representatives

The United States House of Representatives is the lower chamber of the United States Congress, the Senate being the upper chamber.

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United States Senate

The United States Senate is the upper chamber of the United States Congress, which along with the United States House of Representatives—the lower chamber—comprise the legislature of the United States.

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Unlocking Consumer Choice and Wireless Competition Act

The Unlocking Consumer Choice and Wireless Competition Act is a United States public law that repeals a rulemaking determination by the United States Copyright Office that left it illegal for people to unlock their cellphones.

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Vendor lock-in

In economics, vendor lock-in, also known as proprietary lock-in or customer lock-in, makes a customer dependent on a vendor for products and services, unable to use another vendor without substantial switching costs.

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Vodafone

Vodafone Group plc is a British multinational telecommunications conglomerate, with headquarters in London.

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Vodafone New Zealand

Vodafone New Zealand is a telecommunications company operating in New Zealand; it is a subsidiary of the London-listed company Vodafone Plc.

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2degrees

2degrees is a telecommunications provider that operates in New Zealand.

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References

[1] https://en.wikipedia.org/wiki/SIM_lock

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