Leap Wireless lost nearly 92,000 net customers in the fourth quarter, bringing its total customer base to just 4.55 million at the end of 2013. The prepaid carrier blamed the losses on increasing competition from nationwide operators, particularly T-Mobile US and its MetroPCS brand.
U.S. Cellular continued to bleed subscribers in the fourth quarter and also said it would be unable to predict its performance in 2014 at this time. The company cited a number of factors in holding back on providing guidance, including continued churn related to issues with its new billing system.
América Móvil's U.S. MVNO, TracFone Wireless, returned to a brisk pace of subscriber growth in the fourth quarter of 2013 after growth stalled in the third quarter. However, the company was unable to meet the subscriber growth it showed in the fourth quarter of 2012.
Sprint added 477,000 customers in the fourth quarter, defying analysts' expectations that it would lose subscribers. However, after posting its first quarterly net profit since 2007 in the third quarter, the company swung back into the red in the fourth quarter with a loss of $1.04 billion.
Alcatel-Lucent posted its first quarterly net profit in two years in the fourth quarter of 2013, and said its turnaround under the "Shift" plan led by CEO Michel Combes is on target. In the fourth quarter the vendor's North American sales inched up and the company's overall margins widened.
Google CFO Patrick Pichette said that the company's sale of its Motorola Mobile business to Lenovo would be a "win-win" for the wider Android ecosystem and that Google will continue to support all of its Android partners.
Facebook reported a surge in profit and revenue in the fourth quarter, and said that the percentage of revenue it gets from mobile advertising crossed 50 percent for the first time. The company also announced "Paper," a standalone visual social status and news reading app.
Ericsson posted a net profit for the fourth quarter after a hefty loss in the year-ago period, but its sales in North America fell 19 percent year-over-year as LTE coverage rollouts peaked. Meanwhile, Ericsson CEO Hans Vestberg said he will not be taking the CEO spot at Microsoft after it was reported he was in consideration to replace Microsoft's Steve Ballmer, who is retiring.
FierceWireless is staying on top of the entire fourth-quarter earnings season, covering reports from carriers, handset and network vendors and chipset makers. For updated earnings reports and information, check back here over the next few weeks. Special report
AT&T reported weaker wireless subscriber growth for the fourth quarter than it had in the year-ago period, but the company also posted stronger data revenues.