Notice for using the au Communications service

Support information

Provision of PDF files

Please refer to the PDF files below for the "au Communication Services Important Information", "Regarding the Third Party Credit Agreement for Each Commodity (Payment in Installments)", and other information.

Refer to the following for foreign language versions.

Home internet service eligible for au Smart Value and other services

For details about home internet services eligible for au Smart Value and au Smart Value mine, check the au Smart Value page.

MNP transfer to other companies

For important matters regarding MNP transfers to other companies, please check the following.

Contract cancellation

For important matters regarding contract cancellation, please check the following.

  • All of the indicated amounts include tax unless otherwise specified.
  • 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)