An undated handout photograph shows the new Nokia N900 mobile phone. Nokia started deliveries, on November 10, 2009, of its new top-of-the-range model N900, a key product for the world's top phone maker in its battle against rivals iPhone and Blackberry. REUTERS/Nokia 2009/Handout (FINLAND BUSINESS SOCIETY) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS