How does my contract work?

2 years contract

Every mobile carrier has a mandatory contract period: 2 years. In exchange for this 2 year contract, you get a special discount every month.

Staying in Japan for less than 2 years?

- You can still start a contract

Must use the same device for 2 years?

- You can upgrade anytime.

Payment Method

Every mobile service in Japan is based on post-paid system. The amount used in a month, you pay on the following month.

How will my payment work?

Pay your bill either by Auto Pay or Credit Card.
Set up your payment method either a bank account or credit card when applying for a new contract.

Other FAQ

Where to get a new phone?

How do I choose my device/phone plan/data plan?

What to bring to get started?

To whom do I direct my questions?

Learn about why people in Japan choose au, one of the reasons that au is the carrier with the highest customer satisfaction rate



  • 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)