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International Services

Use your au smartphone or mobile phone as is overseas!

Use your mobile phone as is overseas (GLOBAL PASSPORT)

Click here for more details

Roaming in Japan

If you make a contract with the mobile phone of an overseas carrier, you can use au's domestic network by subscribing to the international roaming service provided by the overseas carrier.

  • * Limited to overseas carriers that have roaming agreements with KDDI.
    Click here for overseas carriers that have roaming agreements with KDDI

List of overseas roaming inbound carriers (in Japanese only)(44KB)PDF