As a result, adjusted OIBDA rose again year-on-year in the fourth quarter of 2011 and branded data ARPU grew 20 percent year-on-year as smartphone adoption accelerated, " said Philipp Humm CEO and President of T-Mobile USA. "However, not carrying the iPhone led to a significant increase in contract deactivations in the fourth quarter of 2011.
ENGADGET: T-Mobile lost more customers in Q4, will launch LTE in 2013 with AWS spectrum from AT&T