Those who have not yet been able to Exchange, HK $ exchange at banks outside the Bank, about 2-3. In the section exist, but that the exchanges are easier to find.
Who has not been able to HK $ exchange money at banks outside is about 2-3 banking services. The inner part is also available again. But I would find it easier to go outside.
Those who haven't the money HK $can change at the outer banks are about 2 - 3 bank service. The inner part is also available. But it will get easier exchange outside