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| service = | dimensions = H 267 mm W 168 mm D 8.9 mm〔 | weight = 615 g〔 | topgame = | compatibility= | predecessor = | successor = | related = | website = |gsmchoice_id = nokia/lumia2520/ }} The Nokia Lumia 2520 is a Windows RT tablet computer originally developed by Nokia. It is Nokia's first and only Windows-based tablet, and the company's first tablet since its Nokia Internet Tablet line. Sharing its design and marketed with the Nokia Lumia series of Windows Phone products, the device incorporates a quad-core Snapdragon 800 chip with 4G LTE support, along with a 10.1-inch (26 cm) 1080p display and an optional "Power Keyboard" dock adding additional battery capacity, USB ports, and a physical hardware keyboard. Following a period of speculation and leaks, the Lumia 2520 was officially unveiled on October 22, 2013, and released in North America on November 21, 2013. The 2520 was met with mostly positive reviews, praising its design, display, and for being the first Windows RT tablet to offer cellular data (although Microsoft's own Surface 2 was soon available with such an option). However, the device also received criticism for the lack of available software for its operating system (due to the inability of Windows RT to run full Windows desktop programs), along with the design of its keyboard dock. From April 2014 it was maintained and sold by Microsoft Mobile. The Nokia Lumia 2520 was discontinued by Microsoft on February 2, 2015, being the last ever Windows RT device, coming a month after the production halt of the Surface 2. == Development and release == In mid-August 2013, details began leaking surrounding a Windows RT tablet being produced by Nokia codenamed "Sirius", which featured a 10.1-inch (26 cm) screen, LTE support and a design similar to Nokia's Lumia series of Windows Phone devices. A press render leaked in October 2013, along with its branding as the "Lumia 2520". The Lumia 2520 was officially unveiled during a Nokia press event on October 22, 2013 at a Nokia World event in Abu Dhabi, where it also unveiled several other Lumia phablets running Windows Phone 8.〔(【引用サイトリンク】url=http://www.theverge.com/2013/10/11/4828480/nokias-lumia-2520-windows-rt-tablet-photo-leak )〕〔(【引用サイトリンク】url=http://www.theverge.com/2013/8/16/4627220/nokia-windows-rt-tablet-pictures-leak-rumor )〕〔(【引用サイトリンク】url=http://www.theverge.com/2013/8/26/4659436/nokia-sirius-windows-rt-tablet-specifications )〕 The device marks Nokia's first Microsoft Windows-based tablet device, and its first tablet product since its Internet Tablet range. The Lumia 2520 was first released in the United States by Verizon Wireless on November 21, 2013. In the U.S., carrier-branded versions were released by Verizon and AT&T. The Verizon Wireless model differs only in its use of different LTE bands, and a lack of support for GSM networks, unlike the international and AT&T version. No Wi-Fi-only version of the Lumia 2520 was released.〔(【引用サイトリンク】url=http://www.theverge.com/2013/11/18/5119002/nokia-lumia-2520-verizon-launch-pricing-release-date )〕〔 In April 2014, Nokia recalled the AC-300 travel charger for the Lumia 2520 after it was discovered that the cover on its plug could separate and expose internal parts, posing an electric shock hazard when in use. While sold as an accessory in the United States, it was bundled with European models; as a result, Nokia also suspended sales of the Lumia 2520 in Austria, Denmark, Finland, Germany, Russia, and Switzerland, and the United Kingdom.〔(【引用サイトリンク】url=http://www.theverge.com/2014/4/17/5623812/nokia-suspends-lumia-2520-tablet-sales-faulty-charger )〕〔(【引用サイトリンク】url=http://www.nokia.com/global/2520-charger/ )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nokia Lumia 2520」の詳細全文を読む スポンサード リンク
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