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The Nokia N91 is a smartphone announced on April 27, 2005, as part of the new multimedia Nseries line.〔company.nokia.com/en/news/press-releases/2005/04/27/nokia-introduces-the-nokia-n91-for-a-true-mobile-music-experience〕 It runs on the Symbian-based S60 3rd Edition (the first to run on Symbian 9.1). At the time of release, it was the most advanced music phone ever launched by Nokia.〔()〕 It was the first ever phone encompassing a huge 4 GB internal hard drive, allowing storage for 3,000 songs (an 8 GB revision came later). There are dedicated music keys on the front, which slide down to reveal the keypad. It also featured the industry-standard 3.5 mm headphone jack, and was anticipated as a major challenger to Apple, whose iPod dominated the industry. The design of the N91 is based on stainless steel with a matte finish. The N91 became one of 2005's most anticipated phones, however it suffered from a long delay of release. It was expected to begin shipping by the end of 2005; but in September that year the device was delayed till 2006.〔http://www.engadget.com/2005/09/20/nokia-delays-n91-until-early-2006/〕 In February 2006, it was delayed yet again due to software issues, pushing the release to Q2.〔whttp://gizmodo.com/156598/nokia-n91-music-phone-delayed-due-to-drm〕 Finally in April 2006 it was first released to consumers, a full year after announcement. Nevertheless, N91 won the 'Most Innovative Product' and 'Most Technologically Advanced Product' award in recognition of its true multimedia music experience, added together with its high-end smartphone capabilities.〔(Nokia's N91 and N92 awarded ). Intomobile.com (2006-04-10). Retrieved on 2013-12-08.〕 In advertisements for the phone, Nokia recommended Bose and Sennheiser headphones. Today the N91 is still widely believed as the highest audio quality music player. ==Features== It features a 2-megapixel camera and a music player playing songs encoded in either AAC, AAC+, eAAC+, MP3, mp3PRO, WAV, MIDI, or Microsoft's WMA format. It is generally considered the benchmark in the music department, simply for its unparalleled sound quality through headphones.〔(News.frbiz.com )〕 It also features 3G and Wi-Fi connectivity. The phone features a 176 x 208, 262,144 colours TFT LCD display and dedicated music functionality buttons (XpressMusic) that slide down to reveal traditional mobile phone keys. Battery life when solely playing music has been estimated at 12 hours. The N91 was not the first smartphone with a gigabyte hard drive: the Samsung SGH-i300, announced just a month before the N91, was the first. However the N91 packed in 4 GB, compared to 3 GB for the i300. 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 N91」の詳細全文を読む スポンサード リンク
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