Apple’s iPhone did very good in the U.S. lately. In fact the iPhone 3G did so well in sales that it managed to grab that number one position held by Motorola’s RAZR. That all happened during the third quarter of the year. RAZR’s was holding that number one spot for about three years. Motorola fell on the second place and it’s followd by the BlackBerry Curve, the Rumor and the V2, …