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Nokia 5800 XpressMusic is a smartphone announced by Nokia on 2 October 2008〔(Nokia 5800 XpressMusic – Press Release 2 October 2008 )〕 and started shipping in November of that year.〔(Nokia 5800 XpressMusic – Press Release 27 November 2008 )〕 Code-named "Tube", it was the first touchscreen-equipped S60 device by Nokia, and was the first to run on the touch-specific Symbian v9.4 (S60 5th Edition). The touchscreen features tactile feedback (though it does not use Nokia's Haptikos technology).〔http://www.mobile-review.com/review/nokia-5800-2-en.shtml Review of GSM/UMTS-smartphone Nokia 5800 XpressMusic〕 It is part of the XpressMusic line. Nokia 5800 XpressMusic was launched together with the service Comes With Music (today known as MixRadio), which consists of a year of free music downloads included in the price of the phone. This service was optional to the carriers. The 5800 XpressMusic was a commercial success with 8 million units sold a year after release. It was praised for its supplied stylus and low price, but was viewed negative by critics for its camera and software issues. It has a compatibility mode for Java applications that are not touchscreen-aware. It works by using part of the screen for displaying the essential buttons required by the program. ==History== The Nokia 5800 XpressMusic is not the first touchscreen device in Nokia's range. In 2004, the Nokia 7700 was announced, a Nokia Series 90 device that was cancelled before it reached the market. This was followed by the Nokia 7710 which was an upgraded version of the 7700 and became available during 2005. Nokia also produced the UIQ-based Nokia 6708 phone in 2005, but this was not an in-house development and was bought in from Taiwanese manufacturer BenQ.〔(Nokia's First Touchscreen Phones )〕 Nokia have also produced a range of Maemo-based Internet tablets which have a touchscreen interface, but are not mobile phones by themselves (one can connect and use a phone via Bluetooth). The 5800 is, however, Nokia's first Symbian S60 touchscreen device. The launch of the 5800 XpressMusic in January 2009 was followed-up with the release of the Nokia N97〔(Nokia N97 – Press Release )〕 in May and June 2009, followed by the Series 40 based Nokia 6208c in January 2009.〔(Slashphone - Now official, Nokia’s 6208c with the ‘bamboo’ stylus )〕 In early February 2009 the website Mobile-Review.com, which was initially very enthusiastic about the handset, published its research and concluded that the Nokia 5800 had a design flaw. Specifically, when phones were used on a daily basis, their earpieces, produced for Nokia under contract by a third party, would cease to function in a very short time. Repairs performed under warranty would only temporarily fix the problem. The defect was found to be in the earpiece design. Nokia's public relations department had admitted that the Nokia 5800 XpressMusic contained this design defect. According to Nokia, they switched to another earpiece manufacturer, so all 5800's produced during February 2009 or later should be free from defect, with previously produced earpieces eligible for free warranty repair. New earpiece parts have also been supplied to Nokia service centres and future phone repairs should permanently fix the defect.〔(All Nokia 5800 come with a defect?! )〕 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 5800 XpressMusic」の詳細全文を読む スポンサード リンク
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