Apples wildly popular iPhone 4S retained its position atop the smartphone ranks in the United States last month according to new data analyst data. Checks performed by Canaccord Genuity analyst Mike Walkley and his team found that Apples latest iPhone was the best-selling smartphone at Verizon Wireless, AT&T and Sprint in March, continuing a trend that began when the device first launched last October. “Our March Quelle: BGR… [weiterlesen]