You can use domestic credit cards to buy iPhones at the Apple flagship store in Hong Kong.

1. It should be noted that it is best to pay with UnionPay. No handling fees. Based on the exchange rate of the day. UnionPay cards are more cost-effective. Hong Kong dollars are directly converted into RMB. VISA cards have to be converted into U.S. dollars first and then converted into RMB, which will result in a loss.

2. There are many places where you can swipe cards for consumption. Restaurants, shops, convenience stores, and Octopus cards can all be swiped. Some small restaurants and tea restaurants cannot swipe cards, so try to take as little cash as possible.