The iPhone is a nightmare for carriersThe iPhone may be great for consumers, but takes a nasty toll on wireless carriers' bottom line.CNN - Feb 08 08:43am How the iPhone is raising your phone billAll four major U.S. cell phone carriers have now released their financial results for the fourth quarter of 2011, and all three of iPhone carriers tout their success during the quarter, bolstered by new subscribers to their wireless voice and data services. No surprise for a phone more popular than all Android smartphones combined, right?Digital Trends via Yahoo! News - Feb 09 03:30pm Sprint: Big iPhone sales, big lossWith the iPhone, Sprint is learning that it should be careful what it wishes for.CNN Money - Feb 08 08:05am Iphone - News Images357 News ImagesiPhone - OverviewGet the latest Iphone updates on this topic page with: