February 8, 2012 5:00 AM

IPhone sales attract new customers, balloon Sprint’s losses

After four struggling years, Sprint Nextel Corp. says it has reached a turning point in the wireless carrier’s long turnaround. And the $1.3 billion in losses the Overland Park-based company reported came from weighty investments in the company’s future, not from the customer satisfaction and wireless service miscues of its past.

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