To check it via the My au app, follow the steps below.
Launch the [My au] app and log in with your au ID.
The total billing amount for the current month will be displayed in the middle of the screen under "Total Billing Amount for ○ Month" [○月のご請求額合計].
By tapping on "Total Billing Amount for ○ Month" [○月のご請求額合計], you can check the breakdown and past billing amounts.
On the billing amount summary screen, you can check the breakdown and past billing amounts.
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