Maximum PC: Compared to a year ago, worldwide sales of mobile phones dropped 3.1 percent to 428 million in the third quarter of 2012, but broken down by category, smartphone sales are surging. According to the latest data compiled by Gartner, smartphone sales are up nearly 47 percent from one year ago. Overall, 4 out of every 10 mobile phones shipped is categorized as a smartphone.
80°
80°
50°
100°
Ad 
90°
30°
30°
30°
30°
10°