The Apple iPhone accounted for 16% of mobile Internet traffic in the U.S. in February 2009, according to data from AdMob, which serves ads for more than 6,000 mobile web sites and 1,000 applications around the world. The Apple iPod Touch was placed second with 11%, and the Motorola RAZR V3 third with 6%.
In India, the Nokia 3110c accounted for the most mobile Internet traffic (7%), followed by the Nokia N70 (6%) and the Nokia 6233 (4%). AdMob's data also suggests that mobile Internet traffic in Asia in February 2009 was four times the traffic in February 2008. source: AdMob report
For commentary on this report, please see my post at the Mobile Innovation Exchange.