The Nokia N90 is a mobile phone, announced as part of Nokia's then-new line of multimedia devices, Nseries, on April 27, 2005. It had a unique swivel design encompassing four 'modes'. It has two displays and has a camera with Carl Zeiss optics and integrated flash, and can record video with audio. The screen can be swiveled 270° to mimic the appearance of a camcorder. The camera lens can also be swiveled. The 2.1-inch display has a pixel density of 259 ppi, considered the most crispest Nokia screen at the time, and continued to be joint-highest with the N80, E60 and E70 for four years, before being beaten by the Nokia N900 in 2009 with 267 ppi. The Nokia N90 can print with some printers over USB or over Bluetooth.
Nokia N90
Nokia N90 in portrait/selfie mode
The N90 opened in a normal clamshell way
The Nokia Nseries was a high-end lineup of feature phones, smartphones, and tablets marketed by Nokia Corporation from 2005 to 2011. The Nseries devices commonly supported multiple high-speed wireless technologies at the time, such as 3G, or Wireless LAN. Digital multimedia services, such as music playback, photo/video capture or viewing, gaming or internet services were the central focus of the lineup. The lineup was replaced in 2011 by the Nokia Lumia line as the company's primary smartphone lineup.
The Nokia N8 smartphone was the world's first Symbian^3 device, and the first camera phone by Nokia to feature a 12-megapixel autofocus lens.
The Nokia N1 tablet was Nokia's latest Nseries smartphone/tablet that uses 7.9 inches IPS LCD screen, and was the first tablet to feature IPS LCD display.