Support

au customer support information, one of the reasons that au is the carrier with the highest customer satisfaction rate in Japan

Mobile Phones

Internet

FAQ

Please review the FAQs before contacting Customer Center.

Getting Started

Billing Statement

Support Movies

Looking for more?

Inquiries about au mobile services

Inquiries by Phone

Select your language.

Open: 9:00 – 20:00 ^*1

*1 Support for theft and loss of au mobile phones is available 24 hours a day.

Inquiries by Chat

【Inquire from Web】

【Inquire from Application】

[Supported Languages]

English, Chinese, Portuguese, Vietnamese, Japanese

Open:10:00 – 19:00 ^*2

* Not available if there is no icon showing.

* Please be informed that you may be forwarded to the corresponding department depending on your inquiry.

*2 Inquiries after business hours will be addressed on the following day.

Inquiries by visiting our store

Use the Store Locator to find a store with multiple language support.

Customer support information for internet use

Information on Maintenance and Obstructions

"au one net" Self Page will be shut down every Wednesday between 2:00 am and 10:00 am due to regular maintenance. Thank you for your cooperation. For further details, call the Customer Service Center.

"au one net" Support Desk

Check here to see details of your contract and learn how to make changes.This site also provides instructions for configuring in-home equipment. PCs or other devices.

Inquiries about Internet services

Inquiries by Phone

Select your language.

Open: From 9:00 to 18:00

Inquiries by visiting our store

Find an au Style / au shop providing foreign language service.

All of the indicated amounts include tax unless otherwise specified.