>>Here are the worldwide sales and market share figures for smartphones by operating system in the second quarter, according to research firm Gartner.
Google Inc.'s Android: 46.8 million units, 43.4 percent market share
Nokia Corp.'s Symbian: 23.9 million units, 22.1 percent market share
Apple Inc.'s iOS: 19.6 million units, 18.2 percent market share
Research In Motion Ltd.'s BlackBerry OS: 12.7 million units, 11.7 percent market share