Android and Apple devices dominate in smartphones, with nearly 80 percent of the worldwide market combined, according to Gartner. Nokia and Research in Motion were the big losers, their shares dropping sharply from a year earlier.
Companies making Android devices include Samsung Electronics Co., HTC Corp. and Motorola Mobility, which Google now owns. Samsung also makes phones using its Bada system.
Here are the worldwide smartphone unit sales and market share in the first quarter of 2012, by operating system:
Android (Google Inc.) — 81.1 million units, 56.1 percent share (36.4 percent a year earlier)
iOS (Apple Inc.'s iPhone) — 33.1 million units, 22.9 percent share (16.9 percent a year earlier)
Symbian (mostly used by Nokia Corp.) — 12.5 million units, 8.6 percent share (27.7 percent a year earlier)
BlackBerry (Research in Motion Ltd.) — 9.9 million units, 6.9 percent share (13.0 percent a year earlier)
Bada (Samsung Electronics Co.) — 3.8 million units, 2.7 percent share (1.9 percent a year earlier)
Windows (Microsoft Corp.) — 2.7 million units, 1.9 percent share (2.6 percent a year earlier)
Other — 1.2 million units, 0.9 percent share (1.5 percent a year earlier)
Source: Gartner Inc.