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Unlimited Calling Plan(3G Mobile phone・Data)

Announcement regarding termination of the CDMA 1X WIN service

As of March 2022, the CDMA 1X WIN service for au 3G mobile phones will end. Customers who are subscribed to the rate plans for 3G mobile phones, smartphones, data communication devices, and other devices listed on this page may continue to use their device until this service ends. However, after the service ends, you will need to change a model that supports 4G LTE.

Click here for more details（Japanese only）

* As of November 07, 2018 (Wednesday), new applications are no longer accepted for the rate plans for 3G mobile phones, smartphones, data communication devices, and other devices listed on this page. (Only changes within the rate plans for 3G mobile phones, smartphones, data communication devices, and other devices will continue to be accepted.)

Click here for more details（Japanese only）

Unlimited domestic calls 24 hours a day! This plan is recommended for users who frequently use both voice calls and data communications.
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Application	Required

Overview

The Unlimited Calling Plan(3G Mobile phone・Data) must be subscribed in combination with Flat-rate Data. A subscription to EZ WIN Course (¥300/month) is required for internet connection.

Rate plan image

Basic charge

Domestic calling charge	To other carriers' mobile phones or landline	Free [2]
Monthly basic charge	When 2-year contract [1] is applied	¥2,200
Monthly basic charge	Before application for various discount services	¥3,700
Domestic calling charge	To au mobile phones	Free [2]
Domestic Data communications charge	Flat-rate Data	¥3,500 [3]
Domestic SMS (C-mail)	To au mobile phones	Sending: ¥3/time Free for family members [4] Receiving: Free
Domestic SMS (C-mail)	To other carriers' mobile phones and PHS

* The actual charges include the flat-rate data charge, and are billed as the monthly basic charge.
* When you subscribe to this plan, any currently applied discounts may be terminated. See below for details.
Applicability of discounts and campaigns (in Japanese only)

[1]2-year contract is automatically renewed in two-year units. In the case of contract termination, a contract cancellation fee of ¥9,500 is incurred (excluding the renewal period).
The following discount services also apply.
-Monthly basic charge when 2-year contract (No automatic renewal) is applied... ¥2,500/month
- * The month following the month of application is counted as the first month, and a contract cancellation fee (¥9,500) is incurred if the contract is cancelled within 2 years.
-Monthly basic charge when Smile-heart Discount is applied... ¥2,000/month

[3]If using a 3G smartphone, the data charge is a maximum of ¥5,700 (¥0.08/packet). If using PC Site Viewer on an au mobile phone, the data charge is a maximum of ¥5,700/month, and if connecting to a mobile PC, PDA, car navigation system, or other device, the data charge is a maximum of ¥9,900/month (¥0.08/packet).
Data communications charges are not eligible for the Flat-rate Data flat rate and maximum charges. Two-step data flat for Overseas applies only when automatically connected to an eligible telecommunications carrier.
Two-step data flat for Overseas
[4] Sending SMS (C-mail) to family members within Japan is free when Family Discount is applied.
- Family Discount

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au Smart Value

Eligible models

Feature Phone
3G Smartphones

Inquiries

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

Notes

[Unlimited Calling - Domestic flat-rate voice call service]

[2]Flat-rate voice calls with this plan do not apply to voice calls to phone numbers starting with 0180, 0570 or other numbers that are charged by other carriers, voice calls to directory assistance (104), 1XY administration number services (188/189), SMS transmissions, voice calls to satellite phones/ship satellite phones, and voice calls to phone numbers that KDDI separately determines. Also, international calls and calls made to and from overseas are not applicable.
In addition, calls that fall under the following situations and all the other calls made from that line are not covered by flat-rate voice calls with this plan, nor are any discount call services applicable other than this plan.

When using a mobile phone subscribed to this plan to connect to the customer's own communications equipment or to make an automatic call using software (except with the prior approval of KDDI in either case)
When using Unlimited Calling with the aim of gaining direct income from communications through communication mediation, use of the forwarding function or connecting to a service provided by another company
When using Unlimited Calling for purposes other than voice calls
- *Should KDDI judge, for example, that a continuous call for a long period of time is affecting KDDI equipment, the call in question may be terminated
- *Numbers that are specified by KDDI (such as the ones that are connected when using a telephone service provided by a carrier other than KDDI, and the ones that are continuously connected for a specified period for long-term or multiple communications due to a call that originates by a mechanical nature) are not eligible for flat-rate calls.
Click here for the numbers that are not eligible for flat-rate calls (in Japanese only) (37KB)

[Application of Charges]

* If applying when making a new subscription or switching models, the rate plan and Flat-rate Data service become applicable from the date of subscription or the date of switching models (the basic charge is prorated). If changing the contract, it becomes applicable from the month following the month of the change. If changing the contract or switching to a model you bring to a shop, the service becomes applicable from the month following the month of the change or switch. If you cancel in the middle of a month, the rate plan and Flat-rate Data service charges are not prorated and the flat rate is incurred (If not subscribed to 2-year contract or 2-year contract (No automatic renewal), the basic charge is prorated.).
* Check for other costs arising from the contract at the store.

[Communication speed restrictions for 3G communications]

* If packet communication charges reach a significant amount, phone lines may be temporarily suspended even if subscribed to the Flat-rate Data service.
* To avoid network congestion, a limit will be placed on communications speed for a whole day if you have used more than 3,000,000 packets over the three most recent days (not including the day on which the restriction is applied). The restricted speed will differ depending on data traffic conditions. In addition, other restrictions, such as a maximum character length or attachment file size per EZweb email and a maximum daily data communication volume of EZ apps, are applied according to conditions for providing these services.