Support

au customer support information, one of the reasons that au is the carrier with the highest customer satisfaction rate in Japan

Mobile Phones

Customer support information for mobile phone use

Most popular FAQs

Support Movies

Looking for more?

Inquiries about au mobile services

Inquiries by Phone

Select your language.

Open: 9:00 – 20:00 *1

*1 Support for theft and loss of au mobile phones is available 24 hours a day.

Inquiries by Message

  • My au app

Open:10:00 – 19:00 *1

*1 Inquiries after business hours will be addressed  on the following day. 

Internet

Customer support information for internet use

Information on Maintenance and Obstructions

"au one net" Support Desk

Inquiries about Internet services

Inquiries by Phone

Select your language.

Open: 9:00 – 20:00

Store Locator

Why au?

  • By phoneOpen 9:00 – 20:00

    • English

      0120-959-472(Toll Free)

    • Portuguese

      0120-959-473(Toll Free)

    • Chinese

      0120-959-476(Toll Free)

    • Korean

      0120-959-478(Toll Free)

    • Tagalog

      0120-933-952(Toll Free)

    • Vietnamese

      0120-933-961(Toll Free)

    • Japanese
      about au mobile services

      157(Toll Free)from au phones

      0077-7-111(Toll Free)

      about Internet services
      Contract / Fee / Billing

      0077-7084(Toll Free)

      Connection setting / failure

      0077-777(Toll Free)

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