Apple's iPhone became the biggest selling smartphone in the U.S. in July, according to iSuppli.
The iPhone accounted for 1.8 percent of all mobile handset sales to U.S. consumers that month -- the first full month in which the iPhone was available.
Apple's device outsold the Blackberry series, the entire Palm portfolio, and any individual Motorola, Nokia, Samsung or other smartphone model.
The analysts describe a typical demographic for U.S. iPhone users: most purchasers in July were male, 35-years of age or younger and had college degrees.
One quarter of consumers who bought iPhones switched to AT&T.
ISuppli predicts 4.5 million iPhone sales this year, climbing to 30 million sales in 2011.
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