Apple is kicking ass with the iPhone. For smartphones, they are growing at an insane rate and causing people to switch carriers like no other smartphone. You have to compare Nokia and Samsung smartphones to the iPhone, not all their phones since many of those products are very low margin.
http://arstechnica.com/journals/apple.ars/2008/10/06/report-iphone-3g-driving-switchers-apples-market-share







