It is also the second best selling mobile device in the US market after the Motorola RAZR V3.

Market reports also claims that Apple iPhone now has a 17 percent share of the overall US Smartphone market.

Apple iPhone has managed to outsell rivals including Blackberry Curve, Blackberry Pearl, and Palm Centro to take the number 1 spot during the June through August period.

The report from NPD further claims that as many as 30% of the iPhone buyers during this period left other carriers to join AT&T to get their hands on the iPhone.