menu

  • 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)

x

Can I change my usage plan in the middle of the month?

Yes, you can change it in the middle of the month, but the new plan will take effect from the 1st of the following month.

Therefore, the monthly fee will not be prorated, it will be charged the full amount.

詳しく

Has your problem been solved?

Yes
No
詳しく
  • All of the indicated amounts exclude tax unless otherwise specified.
Site Map Introduction of au ID About au Brand KDDI HOME Business Corporate Information KDDI Site Map
Site Policy Privacy Policy Disclaimer Operating Environment・Cookie Information About Trademarks

COPYRIGHT © KDDI CORPORATION, ALL RIGHTS RESERVED.