使い方サポート

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Everyone
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Content rating
Everyone
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About this app

Our user support service offers a wide range of support, including the distribution of "TsukaTopi," information to make your digital life more convenient, smartphone diagnostics, peripheral device and remote support, and consultations via phone and chat.

*This app is only available to au or UQ mobile customers with an auID (not available to povo customers).

*The chat function is compatible with Android™ 7.0 and above.

~Main Features~

1. Useful Information
- Check information (TsukaTopi) to make your digital life more convenient.
- Quickly find the information you need from the FAQ and digital user guide in the user support app.

2. Inquiry and Inquiry Reservation Function
- Inquiry function via phone and chat, and reservation function for phone inquiries.

3. Smartphone Diagnostic Function
- Easily diagnose smartphone symptoms and malfunctions, and provide easy-to-understand solutions.

4. Network Speed ​​Check Function
- Is your internet speed slow? By measuring your network speed when you feel the need, you can understand your usage environment and receive advice on how to improve your speed.

5. Operation Support
- We provide easy-to-understand guidance on how to use apps you're interested in, as well as how to connect and operate devices that connect to your smartphone or tablet, such as TVs and audio equipment.

6. Initial Setup Support
- Our expert advisors will assist you with initial setup and data migration when you purchase a smartphone or tablet.
Usage support supports customers' convenient and comfortable smartphone life.
Updated on
Sep 18, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info and App activity
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

いつもご利用ありがとうございます。

前回のリニューアルを踏まえ、より快適にご利用いただけるよう改修を行いました。

リニューアルでは、デジタルライフをもっと便利にする情報「つかトピ」を追加し、画面デザインも新しくしました。
また、「電話予約」「今すぐ電話」で、アドバイザーからのインターネット電話に対応しました。これに伴い、プライバシーポリシーを一部変更しました。

今後とも使い方サポートアプリをよろしくお願いいたします。
Content rating
Everyone
Learn more

App support

About the developer
KDDI CORPORATION
kddideveloper.gplay@gmail.com
2-3-2, NISHISHINJUKU KDDI BLDG. SHINJUKU-KU, 東京都 160-0023 Japan
+81 80-5078-9238