Apple’s iPhone is the Most Popular Phone in U.S.

While Google’s (NASDAQ:GOOG) Android was the most popular operating system in the U.S. smartphone market in June, Apple’s (NASDAQ:AAPL) iPhone, which runs on Apple’s own iOS, was the most popular phone.

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Android was used on 39% of smartphones sold in the U.S. last month, while Apple’s iOS came in second place with a 28% market share, followed by Research in Motion’s (NASDAQ:RIMM) BlackBerry, which accounted for 20% of sales, and then Microsoft’s (NASDAQ:MSFT) Windows Phone 7 OS, which had a 9% market share. Both Android and Apple gained a 1% market share each in June over May.

Because the iPhone is the only smartphone that uses Apple’s iOS, it accounts for 28% of phone sales, while the Android OS is on a variety of different phone models, the most popular of which are made by HTC, which accounted for 20% of smartphone sales in June, tying with RIMM¬†for second place in terms of actual phone sales. HTC phones using Android accounted for 14% of total smartphone sales in the U.S., while HTC phones using the Windows 7 OS accounted for 6% of sales.

Motorola’s (NYSE:MMI) Android devices took an 11% share of smartphone sales, while Samsung’s (NYSE:SEO) Android devices accounted for 8% of the market and its Windows Phone 7 devices accounted for 2% of sales.