Unicom can also call and send text messages if it wants to go to Macau. How to open it? Short.

Pre-paid users do not need to apply, and international roaming services in Hong Kong, Macao, Taiwan, Malaysia, South Korea, Vietnam and other regions and countries are opened by default. Post-paid users can log in to the online business hall/click "Business Handling" > "International Business" > "International Roaming in Taiwan, Hong Kong and Macao" to open or cancel international roaming rights and choose to order superimposed packages.

Tips: Due to the different policies of local cities, the business handling methods are also different, and the specific situation is subject to local cities.