Nokia N810

Nokia N810 is an Internet tablet that was developed for the brand Nokia Nseries and produced in the operating system Maemo 4. It was announced on October 17, 2007. Nokia N810 was discontinued in September 14, 2009 and is no longer available after release. Four days after its release, its successor was the Nokia N900.
Development.
The development of the Nokia N810 began in January 2007.
Announcement and release.
In September 5, 2007, The Wall Street Journal announced they were launch Nokia N810 has started in October 2007 and they were announcement for Nokia N810 has started in September 15 and September 16, 2007. 
In October 9, 2007, Nokia begin"Nice time for Nokia N810 Internet tablet" of more such version in Nokia N810 is Maemo 5. Nokia N810 has released such availability on October 17, 2007, which in website begin "We're here from Nokia N810 development in the world".
In October 18, 2007. Nokia N810 has available from worldwide and released for United Kingdom and Canada.
Discontinuation.
In September 14, 2009, 3 month after release, Nokia N810 has stopped support lifecycles from Google website and no longer available from website has replaced from Nokia N900 development.