Support
au customer support information, one of the reasons that au is the carrier with the highest customer satisfaction rate in Japan
FAQ
Please review the FAQs before contacting Customer Center.
Support Movies
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Inquiries about au mobile services
Inquiries by Phone
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Open: 9:00 – 20:00 *1
*1 Support for theft and loss of au mobile phones is available 24 hours a day.
Inquiries by Message
【Inquire from Web】
【Inquire from Application】
[Supported Languages]
English, Chinese, Portuguese, Vietnamese, Japanese
Open:10:00 – 19:00 *1
* Not available if there is no icon showing.
* Please be informed that you may be forwarded to the corresponding department depending on your inquiry.
*1 Inquiries after business hours will be addressed on the following day.
Customer support information for internet use
Information on Maintenance and Obstructions
"au one net" Support Desk
Inquiries about Internet services
Inquiries by Phone
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Open: From 9:00 to 18:00