When traveling to Japan, how can China make a phone call and surf the Internet?

International roaming service, you can roam locally and access the mobile phone network of ntt or docomo company in Japan.

How to handle international roaming: dial the international roaming service line; International roaming WeChat official account; The message is on.

International roaming means that you can also enjoy a series of services provided by China Unicom abroad, such as calling, SMS, MMS, mobile Internet access, etc. Roaming refers to the function that a mobile communication system can still provide services to mobile stations after leaving its registered service area and moving to another service area.

International and roaming network cards in Taiwan, Hong Kong and Macao can only be used in designated networks in designated countries and regions and Unicom networks in the province that have opened this service.

International and Taiwan, Hong Kong and Macao roaming network cards can be activated in the networks of international and provincial branches roaming in Taiwan, Hong Kong and Macao. After the product is activated, the package fee of the network card is deducted at one time, and the validity period is calculated according to natural days. The traffic contained in the package (international, Taiwan, Hong Kong and Macao traffic, provincial traffic) is valid within the agreed validity period, and the traffic and validity period are not extended or accumulated.