NPD’s research also revealed that the lion’s share of smartphone-market growth is concentrated in the top two brands. In fact Samsung’s and Apple’s combined smartphone unit sales rose 43 percent between Q2 2011 and Q2 2012, as unit sales for other brands fell 16 percent. According to NPD, the top five smartphone brands, and their market shares, in Q2 were as follows:

• Apple: 31 percent
• Samsung: 24 percent
• HTC: 15 percent
• Motorola: 12 percent
• LG: 6 percent