AT&T has released its quarterly earnings report. For the quarter, the company’s consolidated revenues totaled $33.2 billion, up 1.8 percent versus the year-earlier period. Compared with results for the fourth quarter of 2012, operating expenses were $20.9 billion versus $38.5 billion, and operating income was $12.2 billion compared to a loss of $6.0 billion. Notably, smartphones accounted for a record 93 percent of postpaid phone sales in the quarter which included the release of Apple’s iPhone 5c and 5s….