Only customers using au, UQ mobile, or povo1.0 can charge their au PAY balance via au Easy Payment (which allows combined billing with their monthly mobile bill).
Please see below for detailed instructions.
From October 2, 2025, onwards, if you charge via au Easy Payment (combined with the mobile monthly bill) following the steps on this page, a fee will be applied based on the number of times you charge.
Other charging methods remain free of charge.
Launch the "au PAY app" and log in with your au ID.
Tap on "Charge" [チャージ].
Enter your au ID password and tap on [OK].
Tap on "Combined with the mobile monthly bill" [通信料金合算].
Enter the amount you want to charge or select the amount to be charged, then tap on "Charge" [チャージする].
Tap on "au Easy Payment Membership Terms and Conditions (Must Read)" [auかんたん決済会員規約(必読)], check the membership terms and conditions, and then tap on "Agree" [同意する].
Enter the 4-digit PIN and tap on "Pay" [支払う].
The charge has been completed.
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