iPhone 4S Ranks #1 In Q4, But More First-Time Buyers Choose Android

According to new research from the NPD Group, Apple passed LG and Samsung to become the top-selling U.S. handset brand in Q4 2011. Combined, the three available models of the iPhone (iPhone 4S, iPhone 4 and iPhone 3GS) accounted for 43% of the U.S. smartphone market. Android, however, continued to see larger market share at 48%.

Source: compare android phones