How to receive foreign telephone and SMS authentication

1. Log in to the online business hall of China Mobile.

2. Click Business Handling-International Roaming Service, and click Open.

3. Enter the service password and verification code to open it.

Or dial 10086, and press 0 to switch to manual service, so that international roaming service can be opened.

Note: branches in different provinces and cities have different requirements for opening international roaming of mobile phone numbers in different places. Some areas need to pre-store 500 yuan phone bills, some need to pre-store 1 0,000 yuan, and some don't need to pre-store phone bills. Roaming to the local area will automatically open. For details, please consult local 10086.