Tablet Plan ds(3-year contract)/(3-year contract/L)

Tablet monthly data amount: 0 GB

Share the monthly data amount of the smartphone used in combination with this service.*1

Basic monthly charge


Internet connection






Terms of use

Each tablet line must be subscribed in combination with a line for a 4G LTE smartphone (or mobile phone) under the same name that has an eligible rate plan/data flat rate service.

icon:4G LTE Tablet
monthly data amount Basic monthly charge
0GB ¥1,700
  • * A subscription to LTE NET (¥300/month) is required for Internet connection.
  • * If you apply to Tablet Plan ds (3-year contract), you must subscribe to Data Charge (free).
  • *1:Settings are required before sharing the data amount.
    Click here for details about how to set and use Data Share
  • *2:A charge of ¥3 will be incurred each time you send a domestic SMS (C-mail) (up to 70 double-byte characters). Receiving C-mail is free. Depending on the model, up to 670 double-byte characters can be sent.
    However, a transmission charges are incurred in the form of 2 mails for up to 134 characters and 1 mail for each subsequent amount of 67 characters.

Eligible models Eligible data flat-rate services/rate plans
icon:4G LTE Smartphone / 4G LTE Feature Phone
4G LTE Feature

4G LTE Smartphone

4G LTE Feature Phone

* The following rate plans apply to subscribed customers. However, new applications for the following plans are no longer accepted.

  • * The names of rate plans and data flat rate services for 4G LTE (au VoLTE) Android™ smartphones have "(V)".

Usage image

You can share the data amount contracted for your smartphone between your smartphone and tablet, offering convenient use of the data amount to suit your use.

<If using Flat-rate Data 20 (20GB) with a 4G LTE smartphone>
image:If using Flat-rate Data 8 (8GB) with a 4G LTE smartphone
*Settings are required before sharing the data amount.
Click here for details about how to set and use Data Share

About the contract period

About the contract period
  • ★1 As of March 2019, the renewal period for 2-year contracts has changed from 2 months to 3 months. (This also applies to currently contracted customers.)

Click here for more details (in Japanese only)

  • * The contract period is 3 years. After the first renewal, the contract will be automatically renewed in 2-year units unless you request termination.
  • * Excluding the renewal period, if you cancel or suspend your contract, change from Tablet Plan ds (3-year contract) to Tablet Plan ds (2-year contract), or change rate plans without being subscribed to 2-year contract, a contract cancellation fee of ¥9,900 is incurred (excluding the renewal period).
  • * If you cancel, suspend, transfer ownership, or change users of your smartphone (or 4G LTE mobile phone) you are using in combination with this service, or change to an ineligible rate plan or data flat-rate service, the Smartphone Set Discount will be terminated, and you cannot continue using the Tablet Plan ds (3-year contract) tablet rate plans.
    Changing plans to LTE Flat for Tab/Tab (i)/Tab (L) is required.
    LTE Flat for Tab/Tab(L)
Application Required

Data option

Data Share

This is a service that allows you to share the monthly data amount for your 4G LTE smartphone/4G LTE mobile phone with your tablet.
Settings are required before using Data Share.

Data Charge

This service allows you to purchase data quantities in real time. If you purchase data quantities with Data Charge, no communications speed constraint is applied even if the total of the monthly data quantity you use exceeds 2GB.

Data Charge

Tethering Option

This option allows you to use your tablet or smartphone as a Wi-Fi router. Additional 500MB is added to the communications amount of 7GB that can be used without communications speed constraints.
(The additional data quantity of 500MB is not added during the free period of the option charge.)

Tethering Option

Universal service system

In accordance with the launch of the "Universal Service System", KDDI has begun imposing a "Universal Service Fee" on customers who signed contracts with us for their portion of usage since January, 2007.
See below for the details.

Universal service system


  • * When applying at the time of making a new subscription or switching models, this plan becomes applicable from the date of subscription or the date of switching models. If changing the contract, it becomes applicable from the month following the month of the change. Charges are prorated in cases where you cancel a contract before the end of a month.
    If using Global Flat-rate Data overseas, the data amount is consumed from the monthly data amount of the domestic data flat rate service smartphone.
    If using Overseas Double-Teigaku, charges are incurred for communications used overseas. Does not apply to use of your smartphone’s domestic monthly data amount.
    World Data Flat(in Japanese only)
    Two-step data flat for Overseas(in Japanese only)
  • * au Wi-Fi SPOT is available by subscribing to Tablet Plan ds (3-year contract)/(3-year contract/L). Use of an au Wi-Fi SPOT overseas is charged.
    au Wi-Fi SPOT
  • * You cannot apply for au Smart Value or 2-year contract.
  • * au Smart Value cannot be applied to with this plan. If you want to apply to au Smart Value, apply for the LTE Flat for Tab/Tab (L) rate plan.
    LTE Flat for Tab/Tab(L)
  • * Application for Smartphone Set Discount is required. However, this plan is not eligible for discount.
  • * Charges for processing contracts, monthly charges for the 4G LTE smartphone or 4G LTE mobile phone, and a universal service fee are separately incurred.
  • * For models released after 2015, (L) is added to the plan name.

[Application of Discount]

  • Charges are prorated from the day of subscription. Charges are prorated in cases where you cancel a contract before the end of a month.

[Restrictions of communication speed]

  • If the total amount of communication exceeds the monthly data amount, the maximum communication speed for sending and receiving until the end of that month will be 128 Kbps (a best-effort service). (The communication speed restriction will be removed on the first day of the following month.) Data amounts purchased with a data charge can be used without communication speed restrictions.
  • To avoid network congestion, a limit may be placed on the communication speed for a whole day if the total amount of communication used exceeds 6 GB over the three most recent days (not including the day on which the restriction is applied).
    (Restrictions also apply for data amounts purchased with a data charge.)
  • If the communication charges become high, service may be suspended temporarily.

[Communication amount notification]

<When using Data Charge>

  • When the total remaining monthly data quantity and purchased data quantity within the month comes to 5%, 1% or lower, you will receive a notification. It is sent to the email address registered with au ID.
  • 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)