Looking at the whole picture, AT&T added 1.4 million net new wireless subscribers in the quarter to bring the total to 79.6 million. So far this year, the networker has added 6.7 million people to that figure. Wireless data revenue leaped 37.2% in the second quarter to reach a total of $3.4 billion dollars. For the sixth consecutive period, AT&T's wireless ARPU (average monthly revenue per subscriber) rose. The figure for the latest three month quarter was up 2.3% to $60.21.