Not only did B give back all of its cash flow and then some to holders over the 2007-2012 time period, most of that was returned in the form of stock repurchases.
Strangely, a Unicom spokesperson is saying that the agreement with Apple to actually sell these isn't finalized, so if they're going to wrap up the paperwork, get the cash from point A to point B, pump out a few million localized handsets, and get 'em on shelves in time for Fall, time is definitely of the essence.