comScore's reporting that "Samsung is the top handset manufacturer with 25.3 percent market share, and Android continue gaining ground in the smartphone market reaching 43.7 % market share" during the three month average period ending August 2011.

The study surveyed more than 30,000 U.S. mobile subscribers.

According to comScore's report, "For the three-month average period ending in Aug 2011, 234 million Americans age 13 and older used mobile devices. In OEM market, Samsung ranked top OEM with 25.3% of U.S. mobile subscribers (up 0.5 percentage). LG came second with 21.0% share and Motorola with 14.0% was third."

"Apple strengthened its position at #4 with 9.8% share of mobile subscribers (up 1.1 percentage points), while RIM rounded out the top five with 7.1% share."

During the period, 84.5 million people in the U.S. owned smartphones during the three months ending in August, up 10% from the preceding three month period.

Android ranked as the top smartphone mobile operating system platform with 43.7% market share (up 5.6 percentage). Apple at #2 position up 0.7 percentage points grabbed 27.3% of the smartphone market.

RIM ranked third with 19.7 percent share, followed by Microsoft (5.7 percent) and Symbian (1.8 percent).

In Aug, "70% U.S. mobile subscribers used text messaging on their mobile device, up 1.0 percentage points. Browsers were used by 42.1% (up 2.3 percentage points), while downloaded applications were used by 41.6% (up 3.0 percentage)," reports comScore.