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  • 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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Can I change my plan without purchasing (upgrading) a device?

Yes. If you are using a 4G LTE device, you can change your plan within 4G LTE plans without purchasing (upgrading) the device. If you are using 5G device, you can do the same within 5G plans.

  • You may not be able to change your plan on My au depending on the status of your contract. In this case, please complete the procedure at a nearby au Style/au shop or customer center.
  • Your plan will be effective from the following month after your application.
  • All of the indicated amounts exclude tax unless otherwise specified.