Despite a global rise in smartphone sales, Microsoft's market share has continued to fall.
Global shipments grew more than 200 percent in the first quarter, but Apple's share of the market it helped create has dropped to a little more than half.
The company's share dropped last year as the Apple Watch and cheap fitness trackers from China's Xiaomi gained traction.
The iPhone's share of the US smartphone market dropped in advance of the new lineup, says Kantar WorldPanel ComTech, but it will certainly bounce back as the new phones gain traction.
More than a quarter of smartphone buyers across Europe jumped ship from Android to iOS, which saw solid gains across most of the continent, says research firm Kantar Worldpanel ComTech.
The iPhone continues to prove hot among buyers in Europe, through Android still dominates the worldwide market by a wide margin, according to Kantar Worldpanel ComTech.
One in every four smartphones now sold in urban China is an iPhone, according to research firm Kantar Worldpanel ComTech.
Microsoft's browser was the dominant force in 2009 when the EU required the company to offer consumers a choice of browsers. But that has changed dramatically over the past several years.
Chinese smartphone manufacturers have surpassed their South Korean counterparts in combined global market share in smartphones.
World's largest maker of personal computers reports second-quarter net profit of $262.1 million, an increase of 19 percent from the year-ago period.