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107-436: Dual SIM phones are mainstream in many countries where phones are normally sold unlocked. Dual SIMs are popular for separating personal and business calls, in locations where lower prices apply to calls between clients of the same provider, where a single network may lack comprehensive coverage, and for travel across national and regional borders. In countries where dual SIM phones are the norm, people who require only one SIM leave

214-507: A South Asian country, emerges as one of the world's fastest movers since 1970 mainly due to health and education achievements. Its present life expectancy is 25 years longer than in the 1970s. More than four of every five children of school age in Nepal now attend primary school, compared to just one in five 40 years ago. Hong Kong ranked highest among the countries grouped on the HDI (number 7 in

321-659: A blocked IMEI lookup service for Australian customers. In the UK, a voluntary charter operated by the mobile networks ensures that any operator's blocklisting of a handset is communicated to the CEIR and subsequently to all other networks. This ensures that the handset is quickly unusable for calls, at most within 48 hours. Some UK Police forces, including the Metropolitan Police Service , actively check IMEI numbers of phones found involved in crime. In New Zealand,

428-526: A blocklist, depending on local arrangements. This would typically include quoting a password chosen at the time of blocklisting. Law enforcement and intelligence services can use an IMEI number as input for tracking devices that are able to locate a cell phone with an accuracy of a few meters. Saudi Arabian government agencies have reportedly used IMEI numbers retrieved from cell phone packaging to locate and detain women who fled Saudi Arabia's patriarchal society in other countries. An IMEI number retrieved from

535-648: A database that is updated by all major mobile network operators in Latvia. In some countries, such blocklisting is not customary. In 2012, major network companies in the United States, under government pressure, committed to introducing a blocklisting service, but it's not clear whether it will interoperate with the CEIR. GSM carriers AT&T and T-Mobile began blocking newly reported IMEIs in November 2012. Thefts reported prior to November 2012 were not added to

642-528: A formally allocated IMEI number range for a GSM terminal does not mean that the terminal is approved or complies with regulatory requirements. The linkage between regulatory approval and IMEI allocation was removed in April 2000, with the introduction of the European R&;TTE Directive. Since that date, IMEIs have been allocated by BABT (or one of several other regional administrators acting on behalf of

749-676: A major hub for outsourcing. Trade between Asian countries and countries on other continents is largely carried out on the sea routes that are important for Asia. Individual main routes have emerged from this. The main route leads from the Chinese coast south via Hanoi to Jakarta, Singapore and Kuala Lumpur through the Strait of Malacca via the Sri Lankan Colombo to the southern tip of India via Malé to East Africa Mombasa (see also: Indo-Pacific ), from there to Djibouti , then through

856-575: A marsh or lowland containing a marsh in Lydia as ασιος . The term was later adopted by the Romans , who used it in reference to the province of Asia , located in western Anatolia. One of the first writers to use Asia as a name of the whole continent was Pliny . The history of Asia can be seen as the distinct histories of several peripheral coastal regions: East Asia , South Asia , Southeast Asia , Central Asia , and West Asia . The coastal periphery

963-604: A message an option to select a SIM is displayed. Prior to the introduction of dual SIM phones, adapters that fit in the SIM card slot and hold two SIMs, with provision to switch between them when required. In dual SIM switch phones, such as the Nokia C1-00 , only one SIM, selected by the user, is active at any time; it is not possible to receive or make calls on the inactive SIM. Dual SIM standby phones allow both SIMs to be accessed by using time multiplexing . When one SIM

1070-707: A mix of many different climates ranging from the equatorial south via the hot deserts in parts of West Asia , Central Asia and South Asia , temperate areas in the east and the continental centre to vast subarctic and polar areas in North Asia . The boundary between Asia and Africa is the Suez Canal , the Gulf of Suez , the Red Sea , and the Bab-el-Mandeb . This makes Egypt a transcontinental country , with

1177-459: A much lower price than branded models. While some such phones are sold under generic names or are rebadged by smaller companies under their own brand, numerous manufacturers, especially in China, produce phones, including dual SIM models, under counterfeit trademarks such as those of Nokia or Samsung, either as cosmetically-identical clones of the originals, or in completely different designs, with

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1284-507: A numeric identifier , usually unique , for 3GPP and iDEN mobile phones , as well as some satellite phones . It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by entering the MMI Supplementary Service code *#06# on the dialpad, or alongside other system information in the settings menu on smartphone operating systems. GSM networks use

1391-831: A proprietary memory card format called Nano Memory , exactly the size and shape of a nano SIM card. Some devices accept dual SIMs of different form factors. The Xiaomi Redmi Note 4 has a hybrid dual SIM tray that accepts one micro SIM card and one nano SIM card, the latter of which can be swapped for a MicroSD card. Dual SIM phones have become popular especially with business users due to reduced costs by being able to use two different networks, with one possibly for personal use or based on signal strength or cost, without requiring several phones. Some sub-contract Chinese companies supply inexpensive dual SIM handsets, mainly in Asian countries. The phones, which also usually include touch screen interfaces and other modern features, typically retail for

1498-546: A spectrum. China and India traded places as the largest economies in the world from 1 to 1800 CE. China was a major economic power for much of recorded history, with the highest GDP per capita until 1500. The Silk Road became the main east–west trading route in the Asian hinterlands while the Straits of Malacca stood as a major sea route. Asia has exhibited economic dynamism as well as robust population growth during

1605-640: A two-digit Final Assembly Code (FAC), which was a manufacturer-specific code indicating the location of the device's construction. From January 1, 2003 until April 1, 2004, the FAC for all phones was 00. After April 1, 2004, the Final Assembly Code ceased to exist and the Type Allocation Code increased to eight digits in length. In any of the above cases, the first two digits of the TAC are

1712-562: Is a function of all other digits in the IMEI. The Software Version Number (SVN) of a mobile is not included in the calculation. The purpose of the Check Digit is to help guard against the possibility of incorrect entries to the CEIR and EIR equipment. The presentation of the Check Digit both electronically and in printed form on the label and packaging is very important. Logistics (using bar-code reader) and EIR/CEIR administration cannot use

1819-472: Is a proprietary network and the device is incompatible with terrestrial GSM networks. Asia Asia ( / ˈ eɪ ʒ ə / AY -zhə , UK also / ˈ eɪ ʃ ə / AY -shə ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometers, about 30% of Earth 's total land area and 8% of Earth's total surface area. The continent, which has long been home to

1926-521: Is also an example of rebadged Chinese Dual-SIM phones sold in few European countries as well as in North-West Africa. Dual SIM phones have been rare in countries where phones have been usually sold on contract, as the carriers selling those phones prevent SIMs from competing carriers from being used with the phones. However, dual SIMs have been popular in locations where people normally buy phones directly from manufacturers. In such places there

2033-504: Is an un-authenticated mobile identifier (as opposed to IMSI, which is routinely authenticated by home and serving mobile networks.) Using a spoofed IMEI can thwart some efforts to track handsets, or target handsets for lawful intercept. Australia was the first nation to implement IMEI blocking across all GSM networks, in 2003. In Australia the Electronic Information Exchange (EIE) Administration Node provides

2140-1054: Is generally defined as comprising the eastern four-fifths of Eurasia. It is located to the east of the Suez Canal and the Ural Mountains , and south of the Caucasus Mountains (or the Kuma–Manych Depression ) and the Caspian and Black Seas . It is bounded on the east by the Pacific Ocean , on the south by the Indian Ocean and on the north by the Arctic Ocean. Asia is subdivided into 49 countries, five of them ( Georgia , Azerbaijan , Russia , Kazakhstan and Turkey ) are transcontinental countries lying partly in Europe . Geographically, Russia

2247-514: Is growing rapidly. In 2010, Asia had 3.3 million millionaires (people with net worth over US$ 1 million excluding their homes), slightly below North America with 3.4 million millionaires. In 2011, Asia topped Europe in number of millionaires. Citigroup in The Wealth Report 2012 stated that Asian centa-millionaire overtook North America's wealth for the first time as the world's "economic center of gravity" continued moving east. At

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2354-573: Is in active use, for example on a call, the modem locks to it, leaving the other SIM unavailable. Older examples of dual-SIM standby phones include the Samsung Galaxy S Duos , the Sony Xperia M2 Dual, and the iPhone XS , XS Max and iPhone XR . Dual SIM dual active (DSDA) phones have two transceivers, and can receive calls on both SIM cards, at the cost of increased battery consumption and more complex hardware. One example

2461-410: Is little lock-in to carrier networks, and the costs of having two phone numbers are much lower. Dual SIM phones allow separate numbers for personal and business calls on the same handset. Access to multiple networks is useful for people living in places where a single network's coverage may prove inadequate or unreliable. They are also useful in places where lower prices apply to calls between clients of

2568-467: Is moist across southeast sections, and dry across much of the interior. Some of the largest daily temperature ranges on Earth occur in western sections of Asia. The monsoon circulation dominates across southern and eastern sections, due to the presence of the Himalayas forcing the formation of a thermal low which draws in moisture during the summer. Southwestern sections of the continent are hot. Siberia

2675-588: Is one of the coldest places in the Northern Hemisphere , and can act as a source of arctic air masses for North America. The most active place on Earth for tropical cyclone activity lies northeast of the Philippines and south of Japan. Climate change is particularly important in Asia, as the continent accounts for the majority of the human population. Warming since the 20th century is increasing

2782-669: Is partly in Asia, but is considered a European nation , both culturally and politically. The Gobi Desert is in Mongolia and the Arabian Desert stretches across much of the Middle East. The Yangtze in China is the longest river in the continent. The Himalayas between Nepal and China is the tallest mountain range in the world. Tropical rainforests stretch across much of southern Asia and coniferous and deciduous forests lie farther north. There are various approaches to

2889-493: Is projected to move to third place, behind China and India. While nearly half of the world's new renewable energy capacity is built in Asia, this is not yet sufficient in order to meet the goals of the Paris Agreement . They imply that the renewables would account for 35% of total energy consumption in Asia by 2030. Asia has the largest continental economy in the world by both GDP nominal and PPP values, and

2996-605: Is the HTC Desire 600 . Some telephones have a primary and a secondary SIM slot that support different generations of connectivity. For example, 4G and 3G primary, and 3G and 2G secondary, or 5G and 5G, or 5G and 4G. Selecting either of the SIMs as primary is usually possible without physically swapping the SIMs. Some phone models utilize a "hybrid" SIM tray, which can hold either two SIM cards, or one SIM card and one MicroSD memory card. The Huawei Mate 20 range introduced

3103-429: Is the fastest growing economic region. As of 2023 , China is by far the largest economy on the continent, making up nearly half of the continent's economy by GDP nominal. It is followed by Japan, India, South Korea, Indonesia, Saudi Arabia and Turkey, which are all ranked among the top 20 largest economies both by nominal and PPP values. Based on Global Office Locations 2011, Asia dominated the office locations with 4 of

3210-576: The Arctic Ocean . The border of Asia with Europe is a historical and cultural construct , as there is no clear physical and geographical separation between them. A commonly accepted division places Asia to the east of the Suez Canal separating it from Africa; and to the east of the Turkish straits , the Ural Mountains and Ural River , and to the south of the Caucasus Mountains and the Caspian and Black seas, separating it from Europe. Since

3317-809: The Black Sea coast, through the Surami Pass and along the Kura River to the Caspian Sea), a convention still followed by Herodotus in the 5th century BCE. During the Hellenistic period , this convention was revised, and the boundary between Europe and Asia was now considered to be the Tanais (the modern Don River). This is the convention used by Roman era authors such as Posidonius , Strabo and Ptolemy . The border between Asia and Europe

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3424-598: The European Union (EU), the North American Free Trade Agreement (NAFTA) or APEC ). This ended in 2010 when China overtook Japan to become the world's second largest economy. It is forecasted that India will overtake Japan in terms of nominal GDP by 2027. In the late 1980s and early 1990s, Japan's GDP by currency exchange rates was almost as large as that of the rest of Asia combined. In 1995, Japan's economy nearly equaled that of

3531-495: The GSM Association ) to legitimate GSM terminal manufacturers without the need to provide evidence of approval. When someone has their mobile equipment stolen or lost, they can ask their service provider to block the phone from their network, and the operator may do so, especially if required by law. If the local operator maintains an Equipment Identity Register (EIR), it adds the device IMEI to it. Optionally, it also adds

3638-731: The Hebrew Bible in the narrative of Noah —and later to Christians in the Old Testament , and to Muslims in the Quran —is earliest found in Mesopotamian mythology , in the Enûma Eliš and Epic of Gilgamesh . Hindu mythology similarly tells about an avatar of Vishnu in the form of a fish who warned Manu of a terrible flood. Ancient Chinese mythology also tells of a Great Flood spanning generations, one that required

3745-621: The Hindu Kush region will become more unstable as its enormous glaciers , known as the "Asian water towers", gradually melt. These changes to water cycle also affect vector-borne disease distribution, with malaria and dengue fever expected to become more prominent in the tropical and subtropical regions. Food security will become more uneven, and South Asian countries could experience significant impacts from global food price volatility. Historical emissions from Asia are lower than those from Europe and North America. However, China has been

3852-686: The Nokia C2-00 , Nokia C1-00 and Nokia C2-03 and most notably the Nokia X , phones from Samsung's Duos series , and the Sony Xperia Z3 Dual , Sony Xperia C and tipo dual . Apple added dual SIM support in its 2018 iPhone XS models, with models sold in China containing two physical SIM slots, and models sold elsewhere supporting dual SIM by means of (Embedded) eSIM alongside a single physical SIM. For originating communications via

3959-645: The Reporting Body Identifier , which identifies the GSMA-approved group that allocated the TAC. The RBI numbers are allocated by the Global Decimal Administrator. IMEI numbers being decimal helps distinguish them from an MEID , which is hexadecimal and always has 0xA0 or larger as the first two hexadecimal digits. For example, the old style IMEI code 35-209900-176148-1 or IMEISV code 35-209900-176148-23 tells us

4066-591: The Samsung Galaxy Nexus and S III which emulated a SIM-free CDMA activation experience and lacked roaming capabilities in 3GPP -only countries. However, the IMEI only identifies the device and has no particular relationship to the subscriber. The phone identifies the subscriber by transmitting the International mobile subscriber identity (IMSI) number, which is stored on a SIM card that can, in theory, be transferred to any handset. However,

4173-691: The Sinai peninsula in Asia and the remainder of the country in Africa. The threefold division of the Old World into Africa, Asia, and Europe has been in use since the 6th century BCE, due to Greek geographers such as Anaximander and Hecataeus . Anaximander placed the boundary between Asia and Europe along the Phasis River (the modern Rioni river) in Georgia of Caucasus (from its mouth by Poti on

4280-723: The United Kingdom , under the Mobile Telephones (Re-programming) Act, changing the IMEI of a phone, or possessing equipment that can change it, is considered an offence under some circumstances. A bill was introduced in the United States by Senator Chuck Schumer in 2012 that would have made the changing of an IMEI illegal, but the bill was not enacted. IMEI blocking is not the only way to fight phone theft. Instead, mobile operators are encouraged to take measures such as immediate suspension of service and replacement of SIM cards in case of loss or theft. The existence of

4387-915: The Ural River prevailed in the mid-19th century. The border had been moved perforce from the Black Sea to the Caspian Sea into which the Ural River projects. The border between the Black Sea and the Caspian is usually placed along the crest of the Caucasus Mountains , although it is sometimes placed further north. The border between Asia and Oceania is usually placed somewhere in the Indonesia Archipelago , specifically in Eastern Indonesia . The Wallace Line separates

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4494-596: The century of humiliation , with the British-supported opium trade and later Opium Wars resulting in China being forced into an unprecedented situation of importing more than it exported. Foreign domination of China was furthered by the Japanese colonial empire , which controlled some of East Asia and briefly much of Southeast Asia (which had earlier been taken over by the British, Dutch and French in

4601-638: The monsoons will experience more flooding. The waters around Asia are subjected to the same impacts as elsewhere, such as the increased warming and ocean acidification . There are many coral reefs in the region, and they are highly vulnerable to climate change, to the point practically all of them will be lost if the warming exceeds 1.5 °C (2.7 °F). Asia's distinctive mangrove ecosystems are also highly vulnerable to sea level rise . Asia also has more countries with large coastal populations than any other continent, which would cause large economic impacts from sea level rise. Water supplies in

4708-553: The steppes . The earliest postulated expansion out of the steppe is that of the Indo-Europeans , who spread their languages into West Asia, South Asia, and the borders of China, where the Tocharians resided. The northernmost part of Asia, including much of Siberia , was largely inaccessible to the steppe nomads, owing to the dense forests, climate and tundra . These areas remained very sparsely populated. The center and

4815-406: The 17th century, the Manchu conquered China and established the Qing dynasty . The Islamic Mughal Empire (preceded by the Delhi Sultanate of the 13th to early 16th century) and the Hindu Maratha Empire controlled much of India in the 16th and 18th centuries respectively. Western imperialism in Asia from the 18th to 20th centuries coincided with the Industrial Revolution in the West and

4922-416: The 1990s, with extreme poverty now below 20%; India and China's rise has coincided with growing tension between the two, with the Indo-Pacific now an actively contested area between China and counterbalancing forces. Asia is the largest continent on Earth. It covers 9% of the Earth's total surface area (or 30% of its land area), and has the longest coastline, at 62,800 kilometres (39,022 mi). Asia

5029-468: The 20th century, but overall population growth has since fallen. Asia was the birthplace of most of the world's mainstream religions including Hinduism , Zoroastrianism , Judaism , Jainism , Buddhism , Confucianism , Taoism , Christianity , Islam , Sikhism , and many other religions. Asia varies greatly across and within its regions with regard to ethnic groups, cultures, environments, economics, historical ties, and government systems. It also has

5136-466: The 7th century; Islam also spread over centuries to the southern regions of India and Southeast Asia through trade along the Maritime Silk Road . The Mongol Empire conquered a large part of Asia in the 13th century, an area extending from China to Europe. Before the Mongol invasion, Song dynasty reportedly had approximately 120 million citizens; the 1300 census which followed the invasion reported roughly 60 million people. The Black Death , one of

5243-427: The Asian and Wallacea biogeographical realms, a transition zone of deep water straits between the Asian and Australian continental shelves. Weber's Line split the region in two with regard to the balance of fauna between Asian origin or Australo-Papuan origin. Wallacea's eastern boundary with Sahul is represented by the Lydekker's Line . The Maluku Islands (except the Aru Islands) are often considered to lie on

5350-441: The Asian goods traffic is carried out across the Pacific towards Los Angeles and Long Beach . The melting of the Arctic is also paving the way for new shipping routes from Northeast Asia to Europe and North America. In contrast to the sea routes, the Silk Road via the land route to Europe is on the one hand still under construction and on the other hand is much smaller in terms of scope. Intra-Asian trade, including sea trade,

5457-502: The Bering Strait, with Big Diomede in Russia and Little Diomede in the United States . The Aleutian Islands are an island chain extending westward from the Alaskan Peninsula toward Russia's Komandorski Islands and Kamchatka Peninsula . Most of them are always associated with North America, except for the westernmost Near Islands group, which is on Asia's continental shelf beyond the North Aleutians Basin and on rare occasions could be associated with Asia, which could then allow

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5564-444: The Check Digit unless it is printed outside of the packaging, and on the ME IMEI/Type Accreditation label. The check digit is not transmitted over the radio interface, nor is it stored in the EIR database at any point. Therefore, all references to the last three or six digits of an IMEI refer to the actual IMEI number, to which the check digit does not belong. The check digit is validated in three steps: Conversely, one can calculate

5671-417: The Hittite king Tudhaliya I around 1400 BCE. Roughly contemporary Linear B documents contain the term aswia ( Mycenaean Greek : 𐀀𐀯𐀹𐀊 , romanized:  a-si-wi-ja ), seemingly in reference to captives from the same area. Herodotus used the term in reference to Anatolia and the territory of the Achaemenid Empire , in contrast to Greece and Egypt. He reports that Greeks assumed that Asia

5778-533: The IMEI by choosing the check digit that would give a sum divisible by 10. For the example IMEI 49015420323751 ? , To make the sum divisible by 10, we set x = 8, so the complete IMEI becomes 49015420323751 8 . The Broadband Global Area Network (BGAN), Iridium and Thuraya satellite phone networks all use IMEI numbers on their transceiver units as well as SIM cards in much the same way as GSM phones do. The Iridium 9601 modem relies solely on its IMEI number for identification and uses no SIM card; however, Iridium

5885-500: The IMEI number to identify valid devices, and can stop a stolen phone from accessing the network. For example, if a mobile phone is stolen, the owner can have their network provider use the IMEI number to blacklist the phone. This renders the phone useless on that network and sometimes other networks, even if the thief changes the phone's SIM card. Devices without a SIM card slot or eSIM capability usually do not have an IMEI code, except for certain early Sprint LTE devices such as

5992-475: The IMEI to shared registries, such as the Central Equipment Identity Register (CEIR), which blocklists the device with other operators that use the CEIR. This blocklisting makes the device unusable on any operator that uses the CEIR, which makes mobile equipment theft pointless, except for parts. To make blocklisting effective, the IMEI number is supposed to be difficult to change. However, a phone's IMEI may be easy to change with special tools. In addition, IMEI

6099-424: The Indian Ocean respectively in the late 15th century. The Russian Empire also began to expand into northwestern Asia from the 17th century, and would eventually take control of all of Siberia and most of Central Asia by the end of the 19th century. Among non-European empires, the Ottoman Empire controlled Anatolia, most of the Middle East, North Africa and the Balkans from the mid 16th century onward, while in

6206-482: The Middle East has been affected since 1948 by the Arab–Israeli conflict and American-led interventions . East Asian nations (along with Singapore in Southeast Asia) became economically prosperous with high-growth " tiger economies "; China, having undergone capitalistic reforms under Deng Xiaoping , regained its place among the top two economies of the world by the 21st century. India has also grown significantly because of economic liberalisation that started in

6313-421: The NZ Telecommunications Forum Inc provides a blocked IMEI lookup service for New Zealand consumers. The service allows up to three lookups per day and checks against a database that is updated daily by the three major mobile network operators. A blocked IMEI cannot be connected to any of these three operators. In Latvia the SIA "Datorikas institūts DIVI" provides a blocked IMEI lookup service for checks against

6420-400: The Ottoman Empire in the early 20th century led to the Middle East also being contested and partitioned by the British and French. With the end of World War II in 1945 and the wartime ruination of Europe and imperial Japan, many countries in Asia were able to rapidly free themselves of colonial rule. The independence of India came along with the carving out of a separate nation for

6527-504: The Philippines, Sri Lanka and Vietnam. Asia has three main financial centers: Hong Kong, Tokyo and Singapore. Call centers and business process outsourcing (BPOs) are becoming major employers in India and the Philippines due to the availability of a large pool of highly skilled, English-speaking workers. The increased use of outsourcing has assisted the rise of India and the China as financial centers. Due to its large and extremely competitive information technology industry, India has become

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6634-445: The Philippines. China has many languages and dialects in different provinces. Many of the world's major religions have their origins in Asia, including the five most practiced in the world (excluding irreligion ), which are Christianity, Islam, Hinduism, Chinese folk religion (classified as Confucianism and Taoism), and Buddhism. Asian mythology is complex and diverse. The story of the Great Flood for example, as presented to Jews in

6741-440: The Red Sea over the Suez Canal into Mediterranean (see also: Indo-Mediterranean ), there via Haifa, Istanbul and Athens to the upper Adriatic to the northern Italian hub of Trieste with its rail connections to Central and Eastern Europe or further to Barcelona and around Spain and France to the European northern ports. A far smaller part of the goods traffic runs via South Africa to Europe . A particularly significant part of

6848-454: The U.S. state of Alaska as well as the United States itself to be considered a transcontinental state. The Aleutian Islands are sometimes associated with Oceania, owing to their status as remote Pacific islands, and their proximity to the Pacific Plate. This is extremely rare however, due to their non-tropical biogeography, as well as their inhabitants , who have historically been related to Indigenous Americans . St. Lawrence Island in

6955-407: The US as the largest economy in the world for a day, after the Japanese currency reached a record high of 79 yen /US$ . Economic growth in Asia since World War II to the 1990s had been concentrated in Japan as well as the four regions of South Korea, Taiwan, Hong Kong and Singapore located in the Pacific Rim , known as the Asian tigers , which are now all considered developed economies, having among

7062-753: The United States used an allowlist of devices where a user had to register their IMEI and SIM card before a device can be used, despite no US law mandating it. If a user changed their device, they had to register their new IMEI and SIM card. This isn't the case with other CDMA carriers like Verizon which only used allowlists for 3G and T-Mobile does not use an allowlist but instead a blocklist, including for former Sprint customers. AT&T and Telus also use an allowlist for VoLTE access, but do not require IMEI registration by customers. Instead, phone manufacturers are required to register their devices into AT&T's or Telus' databases, and customers are able to freely swap SIM cards into any allowlisted device. This has

7169-518: The area of multinational corporations , but increasingly the PRC and India are making significant inroads. Many companies from Europe, North America, South Korea and Japan have operations in Asia's developing countries to take advantage of its abundant supply of cheap labour and relatively developed infrastructure. According to Citigroup in 2011, 9 of 11 Global Growth Generators countries came from Asia driven by population and income growth. They are Bangladesh, China, India, Indonesia, Iraq, Mongolia,

7276-404: The border of southeast Asia, with the Aru Islands and Western New Guinea , to the east of the Lydekker's Line, being wholly part of Oceania, as both lie on the Australian continental plate. Culturally, the Wallacea region denoted the transition between Austronesian and Melanesian people , with varying degrees of intermixing between the two. In general, the further west and coastal a region is,

7383-489: The concept of Asia derives from the term for the eastern region from a European perspective, Asia is the remaining vast area of Eurasia minus Europe. Therefore, Asia is a region where various independent cultures coexist rather than sharing a single culture, and the boundary between Europe is somewhat arbitrary and has moved since its first conception in classical antiquity . The division of Eurasia into two continents reflects East–West cultural differences, some of which vary on

7490-432: The continent of Asia". Geographically, Asia is the major eastern constituent of the continent of Eurasia with Europe being a northwestern peninsula of the landmass. Asia, Europe and Africa make up a single continuous landmass— Afro-Eurasia —and share a common continental shelf . Almost all of Europe and a major part of Asia sit atop the Eurasian Plate , adjoined on the south by the Arabian and Indian Plate and with

7597-443: The cultural borders of its various types of constituents. From the time of Herodotus, a minority of geographers have rejected the three-continent system (Europe, Africa, Asia) on the grounds that there is no substantial physical separation between them. For example, Sir Barry Cunliffe , the emeritus professor of European archeology at Oxford, argues that Europe has been geographically and culturally merely "the western excrescence of

7704-530: The database. The CTIA refers users to websites at www.stolenphonechecker.org and the GSMA where consumers can check whether a smartphone has been reported as lost or stolen to its member carriers. The relationship between the former and any national or international IMEI blocklists is unclear. It is unclear whether local barring of IMEI has any positive effect, as it may result in international smuggling of stolen phones. IMEIs can sometimes be removed from

7811-596: The dethroning of India and China as the world's foremost economies. The British Empire first became dominant in South Asia, with most of the region being conquered by British traders in the late 18th and early 19th centuries before falling under direct British rule after a failed 1857 revolt ; the 1869 completion of the Suez Canal , which increased British access to India, went on to further European influence over Africa and Asia. Around this time, Western powers started to dominate China in what later became known as

7918-684: The easternmost part of Siberia (east of the Chersky Range ) on the North American Plate . The term "Asia" is believed to originate in the Bronze Age toponym Assuwa ( Hittite : 𒀸𒋗𒉿 , romanized:  aš-šu-wa ) which originally referred only to a portion of northwestern Anatolia . The term appears in Hittite records recounting how a confederation of Assuwan states including Troy unsuccessfully rebelled against

8025-492: The end of 2011, there were 18,000 Asian people mainly in Southeast Asia, China and Japan who have at least $ 100 million in disposable assets, while North America with 17,000 people and Western Europe with 14,000 people. With growing Regional Tourism with domination of Chinese visitors, MasterCard has released Global Destination Cities Index 2013 with 10 of 20 are dominated by Asia and Pacific Region Cities and also for

8132-414: The first time a city of a country from Asia ( Bangkok ) set in the top-ranked with 15.98 million international visitors. East Asia had by far the strongest overall Human Development Index (HDI) improvement of any region in the world, nearly doubling average HDI attainment over the past 40 years, according to the report's analysis of health, education and income data. China, the second highest achiever in

8239-453: The following: TAC : 35-2099 - issued by the BABT (code 35) with the allocation number 2099 FAC : 00 - indicating the phone was made during the transition period when FACs were being removed. SNR : 176148 - uniquely identifying a unit of this model CD : 1 so it is a GSM Phase 2 or higher SVN : 23 - The "software version number" identifying the revision of the software installed on

8346-557: The highest GDP per capita in Asia. Asia is the largest continent in the world by a considerable margin, and it is rich in natural resources, such as petroleum , forests , fish , water , rice , copper and silver . Manufacturing in Asia has traditionally been strongest in East and Southeast Asia, particularly in China, Taiwan , South Korea, Japan, India, the Philippines, and Singapore. Japan and South Korea continue to dominate in

8453-689: The late 19th century), New Guinea and the Pacific islands ; Japan's domination was enabled by its rapid rise that had taken place during the Meiji era of the late 19th century, in which it applied industrial knowledge learned from the West and thus overtook the rest of Asia. One significant influence on Japan had been the United States, which had begun projecting influence across the Pacific after its early-to-mid-19th century westward expansion . The breakup of

8560-470: The logo of a notable manufacturer present in order to take advantage of brand recognition or brand image. Dual SIM phones are common in developing countries , especially in China , Southeast Asia and the Indian subcontinent , with local firms like Karbonn Mobiles , LYF , Micromax and Cherry Mobile releasing feature phones and smartphones incorporating multiple SIM slots. The French Wiko Mobile

8667-516: The lowlands did not have enough open grasslands to support a large equestrian force; for this and other reasons, the nomads who conquered states in China, India, and the Middle East often found themselves adapting to the local, more affluent societies. The Islamic Caliphate 's defeats of the Byzantine and Persian empires led to West Asia and southern parts of Central Asia and western parts of South Asia under its control during its conquests of

8774-728: The majority of South Asian Muslims , which in 1971 further split into the countries Pakistan and Bangladesh ; Cold War tensions between the United States and the Soviet Union strained relations between India and Pakistan and affected Asia more generally. The end of the Cold War and the Soviet Union by 1991 saw the independence of the five modern Central Asian countries. Some Arab countries took economic advantage of massive oil deposits that were discovered in their territory, becoming globally influential, though stability in

8881-462: The majority of the human population , was the site of many of the first civilizations . Its 4.7 billion people constitute roughly 60% of the world's population. Asia shares the landmass of Eurasia with Europe , and of Afro-Eurasia with both Europe and Africa . In general terms, it is bounded on the east by the Pacific Ocean , on the south by the Indian Ocean , and on the north by

8988-437: The mobile phone network, the way to choose which SIM is used may vary on different phones. For example, one can be selected as primary or default for making calls, and one (which could be the same one) for data. Apple phones supporting dual SIMs can be set up to automatically use a specific SIM for each contact or the same one used for the last call to the contact, for iMessage, and for FaceTime. Typically when dialling or sending

9095-516: The most devastating pandemics in human history, is thought to have originated in the arid plains of central Asia, where it then travelled along the Silk Road . European involvement in Asia became more significant from the Age of Discovery onward, with Iberian-sponsored sailors such as Christopher Columbus and Vasco da Gama paving the way for new routes from Atlantic Europe to Pacific Asia and

9202-550: The network as zero. This guideline seems to have disappeared for the format valid from 2003 onwards. As of 2004 , the format of the IMEI is AA-BBBBBB-CCCCCC-D , although it may not always be displayed this way. The IMEISV does not have the Luhn check digit but instead has two digits for the Software Version Number (SVN), making the format AA-BBBBBB-CCCCCC-EE Prior to 2002, the TAC was six digits and followed by

9309-482: The network's ability to know a subscriber's current, individual device enables many network and security features. Dual SIM enabled phones will normally have two IMEI numbers, except for devices such as the Pixel 3 (which has an eSIM and one physical SIM) which only allow one SIM card to be active at once. Many countries have acknowledged the use of the IMEI in reducing the effect of mobile phone thefts. For example, in

9416-716: The northern Bering Sea belongs to Alaska and may be associated with either continent but is almost always considered part of North America, as with the Rat Islands in the Aleutian chain. At their nearest points, Alaska and Russia are separated by only 4 kilometres (2.5 miles). Geographical Asia is a cultural artifact of European conceptions of the world, beginning with the Ancient Greeks , being imposed onto other cultures, an imprecise concept causing endemic contention about what it means. Asia does not exactly correspond to

9523-551: The origin, model, and serial number of the device. The structure of the IMEI/SV is specified in 3GPP TS 23.003 . The model and origin comprise the initial 8-digit portion of the IMEI/SV, known as the Type Allocation Code (TAC). The remainder of the IMEI is manufacturer-defined, with a Luhn check digit at the end. For the IMEI format prior to 2003, the GSMA guideline was to have this Check Digit always transmitted to

9630-470: The peripheries were mostly kept separated by mountains and deserts. The Caucasus and Himalaya mountains and the Karakum and Gobi deserts formed barriers that the steppe horsemen could cross only with difficulty. While the urban city dwellers were more advanced technologically and socially, in many cases they could do little in a military aspect to defend against the mounted hordes of the steppe. However,

9737-602: The phone. 99 is reserved. By contrast, the new style IMEI code 49-015420-323751-8 has an 8-digit TAC of 49-015420. The new CDMA Mobile Equipment Identifier ( MEID ) uses the same basic format as the IMEI. The last number of the IMEI is a check digit , calculated using the Luhn algorithm , as defined in the IMEI Allocation and Approval Guidelines : The Check Digit shall be calculated according to Luhn formula (ISO/IEC 7812). (See GSM 02.16 / 3GPP 22.016). The Check Digit

9844-474: The problem that imported phones and some non-imported phones such as older OnePlus or CDMA carrier-variant devices will not work for voice calls even if they have the LTE/5G bands for AT&T and Telus and support VoLTE on competitors or via VoLTE roaming. The IMEI (15 decimal digits: 14 digits plus a check digit) or IMEISV (16 decimal digits: 14 digits plus two software version digits) includes information on

9951-708: The regional division of Asia. The following subdivision into regions is used, among others, by the United Nations Statistics Division (UNSD). This division of Asia into regions by the United Nations is done solely for statistical reasons and does not imply any assumption about political or other affiliations of countries and territories. Asia has extremely diverse climate features. Climates range from Arctic and subarctic in Siberia to tropical in southern India and Southeast Asia. It

10058-711: The remnants of a Nokia 5110 was used to trace and identify the perpetrators behind the 2002 Bali bombings . Some countries use allowlists instead of blocklists for IMEI numbers, so that any mobile phone needs to be legally registered in the country in order to be able to access mobile networks of the country, with possible exceptions for international roaming and a grace period for registering. These include Chile, Turkey, Azerbaijan, Colombia, and Nepal. Other countries that have adopted some form of mandatory IMEI registration include India, Pakistan, Indonesia, Cambodia, Thailand, Iran, Nigeria, Ecuador, Ukraine, Lebanon, and Kenya. Prior to their merger with T-Mobile , Sprint in

10165-400: The same provider. Dual SIM phones allow users to keep separate contact lists on each SIM, and allow easier roaming by being able to access a foreign network while keeping the existing local card. Vendors of foreign SIMs for travel often promote dual-SIM operation, with a home country and local SIM in the same handset. IMEI The International Mobile Equipment Identity ( IMEI ) is

10272-1006: The second SIM slot empty. Dual SIM phones usually have two unique IMEI numbers, one for each SIM slot. Devices that use more than two SIM cards have also been developed and released, notably the LG A290 triple SIM phone, and even handsets that support four SIMs, such as the Cherry Mobile Quad Q70 . The first phone to include dual SIM functionality was the Benefon Twin, released by Benefon in 2000. More dual SIM phones were introduced in about 2007, most of them coming from small Chinese firms producing phones using Mediatek systems-on-a-chip . They started to attract mainstream attention. Such phones were initially eschewed by major manufacturers due to potential pressure from telecommunications companies, but from about 2010 Nokia , Samsung , Sony and several others followed suit, with

10379-497: The single largest emitter of greenhouse gases in the 21st century, while India is the third-largest. As a whole, Asia currently accounts for 36% of world's primary energy consumption, which is expected to increase to 48% by 2050. By 2040, it is also expected to account for 80% of the world's coal and 26% of the world's natural gas consumption. While the United States remains the world's largest oil consumer, by 2050 it

10486-605: The stronger the Austronesian influences, and the further east and inland a region is, the stronger the Melanesian influences. The terms Southeast Asia and Oceania, devised in the 19th century, have had several vastly different geographic meanings since their inception. The chief factor in determining which islands of the Indonesian Archipelago are Asian has been the location of the colonial possessions of

10593-608: The threat of heatwaves across the entire continent. Heatwaves lead to increased mortality, and the demand for air conditioning is rapidly accelerating as the result. By 2080, around 1 billion people in the cities of South and Southeast Asia are expected to experience around a month of extreme heat every year. The impacts on water cycle are more complicated: already arid regions, primarily located in West Asia and Central Asia , will see more droughts , while areas of East , Southeast and South Asia which are already wet due to

10700-541: The top 5 being in Asia: Hong Kong, Singapore, Tokyo and Seoul . Around 68 percent of international firms have an office in Hong Kong. In the late 1990s and early 2000s, the economy of China had an average annual growth rate of more than 8%. According to economic historian Angus Maddison , India had the world's largest economy during 1000 BCE and 1 CE. India was the largest economy in the world for most of

10807-533: The two millennia from the 1st until 19th century, contributing 25% of the world's industrial output. China was the largest and most advanced economy on earth for much of recorded history and shared the mantle with India. For several decades in the late twentieth century Japan was the largest economy in Asia and second-largest of any single nation in the world, after surpassing the Soviet Union (measured in net material product) in 1990 and Germany in 1968. (NB: A number of supernational economies are larger, such as

10914-476: The various empires there (not all European). Lewis and Wigen assert, "The narrowing of 'Southeast Asia' to its present boundaries was thus a gradual process." The Bering Strait and Bering Sea separate the landmasses of Asia and North America , as well as forming the international boundary between Russia and the United States. This national and continental boundary separates the Diomede Islands in

11021-408: The world in terms of HDI improvement since 1970, is the only country on the "Top 10 Movers" list due to income rather than health or education achievements. Its per capita income increased a stunning 21-fold over the last four decades, also lifting hundreds of millions out of income poverty. Yet it was not among the region's top performers in improving school enrollment and life expectancy. Nepal ,

11128-643: The world, which is in the "very high human development" category), followed by Singapore (9), Japan (19) and South Korea (22). Afghanistan (155) ranked lowest amongst Asian countries out of the 169 countries assessed. Asia is home to several language families and many language isolates . Most Asian countries have more than one language that is natively spoken. For instance, according to Ethnologue , more than 700 languages are spoken in Indonesia, more than 400 languages spoken in India, and more than 100 are spoken in

11235-522: Was historically defined by European academics. In Sweden, five years after Peter's death, in 1730 Philip Johan von Strahlenberg published a new atlas proposing the Ural Mountains as the border of Asia. Tatishchev announced that he had proposed the idea to von Strahlenberg. The latter had suggested the Emba River as the lower boundary. Over the next century various proposals were made until

11342-766: Was home to some of the world's earliest known civilizations, each of them developing around fertile river valleys. The civilizations in Mesopotamia , the Indus Valley and the Yellow River shared many similarities. These civilizations may well have exchanged technologies and ideas such as mathematics and the wheel . Other innovations, such as writing, seem to have been developed individually in each area. Cities, states and empires developed in these lowlands. The central steppe region had long been inhabited by horse-mounted nomads who could reach all areas of Asia from

11449-477: Was named after the wife of Prometheus , but that Lydians say it was named after Asies , son of Cotys, who passed the name on to a tribe at Sardis . In Greek mythology , "Asia" ( Ἀσία or Ἀσίη ) was the name of a " Nymph or Titan goddess of Lydia". The Iliad (attributed by the ancient Greeks to Homer ) mentions two Phrygians in the Trojan War named Asios (an adjective meaning "Asian"); and also

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