The Wall Street Journal reports that China Mobile -- the largest cellular carrier in the world -- is planning to spend $7 billion on its LTE network this year, paving the way for the company to support the iPhone 5. Until now, China Mobile hasn't sold the iPhone, though more than 15 million iPhones are used on its networks, but at extremely slow data speeds. However, China Mobile says there has been "no progress" to report in negotiations with Apple. While China Mobile has been in talks with Apple for years over a potential deal to offer the i