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Site Policy

The KDDI website ("Website" hereinafter) is operated by KDDI Corporation ("KDDI" hereinafter). Before using this Website, please read and consent to the following usage conditions.

*Please be aware that the Site Policy and related regulations may change without prior notice.


KDDI does not provide any guarantee whatsoever regarding the completeness and accuracy of the information that appears on this Website. KDDI may change the information appearing on this Website without prior notice.

KDDI and all affiliated companies bear absolutely no liability in any form for any direct or indirect losses incurred as a result of using any of the information or content on this Website.

Copyrights & Trademarks

The copyrights to all text, images, logos, photographs, videos and animations, software, and all other information contained in the Website belong to KDDI or a third party.
You shall not use (including copying, altering, distributing, and sending to the general public) this information without obtaining the prior consent of the copyright owner, unless acceptable under copyright law, such as in the case of private use.
KDDI product or service names appearing on this Website are KDDI trademarks or registered trademarks.

Linking to this Website

In principle, linking to this Website is permitted for any commercial or non-commercial purposes. However, a link this Website is prohibited on any website that falls into, or may be categorized as, any of the following.
Websites that include content intended to slander or injure the reliability of KDDI, another company (or individual), or another organization Websites that engage in or may possibly engage in conduct that infringes upon the intellectual property rights, such as copyrights or trademark rights, or assets, privacy, right of portrait, or any other rights of KDDI, another company (or individual), or another organization
Websites that make it unclear that the displayed content is KDDI content or have the possibility of misrepresenting to a third party through a method such as displaying this Website within a frame. (KDDI requests that you set links to this Website so that either the browser window changes completely to the destination page or the destination page opens up in a new browser window.)
In addition to the above, any website that engages in conduct that violates laws and ordinances, including acts, regulations, or rules, or goes against generally accepted rules of morality or conduct that interferes with the operation of this Website's service
KDDI does not authorize the posting of links using registered trademarks, such as logos and marks owned by KDDI, without permission. KDDI does not allow the posting of links in such a way as to misidentify the information source.
Please be aware that KDDI may change the URL for this Website and is not able to send notification to your website.


KDDI has issued a Security Statement based on its Basic Policy Regarding Information Security (established in FY 2004). In addition to disclosing this Statement both within and outside the company, KDDI pledges to comply with this Statement in accordance with Privacy Policy compliance.

    Recommended Environment

    Windows (7/XP/Vista)

    • Microsoft Internet Explorer 8.0 or higher
    • Google Chrome latest version
    • Mozilla Firefox latest version


    Safari 5.0 or higher


      iOS7 or higher


        Android 4.2 or higher


          Adobe Reader (Acrobat Reader 7.0 or higher) is required to view and print PDF files.


          This Website uses cookies in order to make your experience at this Website more convenient and in order to enable us to continually improve the Website.Check our Cookie Policy page for more details.


          This Website uses JavaScript for some of the contents in order to provide a more enjoyable experience for the user.

          Please be aware that if you do not have JavaScript turned on in your browser settings, some contents may not display or operate properly.


          In order to increase the security level, this Website uses SSL (Secure Socket Layer) encrypted transmission for some services. Your web browser must be compatible with 256 bit SSL in order to use those services.

          Using a web browser compatible with security functionality allows you to send and receive automatically encrypted private information such as your real name, postal address, and phone number.This way, there is absolutely no worry about information theft even in the unlikely event that a third party is able to intercept the data you send.

          Also, you might not be able to use these pages depending on your settings, such as a firewall setting.
          Refer to the Japanese Cybertrust website for detailed information about SSL and browser compatibility.