China Bank's card did not open international roaming before going abroad. How to open SMS international roaming after going abroad?

Foreign real-name registration system users can open it on the operator's official website.

Users of the three major operators generally need a real-name registration system when opening international roaming services. Registered users in real-name registration system can use SMS instruction, operator official website, mobile phone client, call customer service, operator business hall, etc.

When international roaming is launched for the first time, 500 yuan's prepaid phone bill is generally needed in the account (GSM users need 1 0,000 yuan). Users can choose to open it permanently or for a short time, and Mobile can open an international roaming account for a short time with prepaid phone charges in 200 yuan.

With roaming service, if you have enough phone bills in your mobile phone account, you can use your mobile phone when traveling abroad.