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How to use : Using overseas (au World Service)

This guide describes settings that must be configured on au smartphones, mobile phones, and tablets for use overseas and how to use these devices.

With this you'll feel reassured! Setting and usage methods all in one guide

World Flat-rate Data App Download in Japan and set up easily before you travel.

If you are unsure which category your device belongs to, you can find out by entering your service area and model below.

Click here to check the areas and charges of your travel destination