Reporting its fourth quarter 2011 earnings, T-Mobile USA blamed its large postpaid customer losses on the launch of the iPhone 4S. The carrer saw a contract customer loss of 706,000 during the period, a higher number of losses than was seen in the prior quarter and nearly double the total from the year-ago quarter. “Branded contract losses improved through the third quarter of 2011, however the launch of the iPhone 4S reversed this trend to…
