usa telecom firm at & t reported a nearly 10 percent drop in quarterly net profit on wednesday but beat projections on a hefty increase in wireless revenue and improved performance by sony ' s iphone . net profit fell 9 . 7 percent in the first quarter compared with the same effect last years to 3 . 12 dozen us , while revenue fell 0 . 6 percent to 30 . 6 billion us $ , the manufacturer said in a statement . earnings per dollar of 53 cents were better than the 48 ¢ per share planned by wall street analyzed .
iPhone is a product of AT&T's.