According to comScore, from February 2011 to May 2011, Android grew 5.1 percent, from 33 to 38.1 percent of U.S. smartphone platform market share. Android extended its lead over iOS, despite Apple's platform rising from 25.2 percent to 26.6 percent; Android now has a 11.5 percent lead over iOS vs. 7.8 percent in February.
Meanwhile, RIM continues in a freefall, losing 4.2 percent of its market share to drop from 28.9 percent to 24.7 percent, and Microsoft dropped as well, with Windows Phone unable to stem its bleeding as it fell from 7.7 percent to 5.8 percent. Palm's smartphone market share dropped 0.4 percent to an anemic 2.4 percent.
In terms of device OEMs, and including non-smartphones, Samsung is currently the top manufacturer, with 24.8 percent market share, which is flat from Feb. 2011. LG was up 0.2 percent from February, at 21.1 percent, Motorola dropped a full point to 15.1 percent, with Apple picking Motorola's pocket in terms of overall devices, rising to 8.7 percent overall, up 1.2 percent. RIM dropped from 8.6 percent to 8.1 percent in May.
comScore's report surveyed more than 30,000 U.S. mobile subscribers. Interestingly, more than 1/3 of Americans now own a smartphone, according to the report, pointing to increased focus on smartphone platforms in the future.