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Mobile Services


Main Contents As a company that provides all kinds of information and communication services, KDDI offers a new business style using mobile phones, which are now indispensable tools in today's business.
We provide a wide range of support for every customer's business needs through the exceptional voice quality, excellent connectivity, and high-speed data communications of our au mobile phones.


KDDI Mobile Solutions Lineup


KDDI offers a variety of mobile solutions using au mobile phones.


Mobile Phone Service


KDDI widely supports your diversified business needs by ensuring high call quality, excellent connectivity, and high-speed data communications.

The Pages linked below are written in Japanese.



Mobile Solution


We provide comprehensive mobile network environments including mobile terminals, mobile communications, and server equipment. We also offer applications and contents suitable for a variety of businesses.

The Pages linked below are written in Japanese.



Communication Module Solution


High-speed, high-capacity data communications change your business. KDDI provides comprehensive support, ranging from the sales of communication modules to the proposal of product planning, development, and operation.

The Pages linked below are written in Japanese.




Network Services
Seamless global services backed by a global infrastructure — that is the KDDI difference.
At KDDI, everything from our cost-efficient global optical-fiber cable network to seamless domestic and international services puts you the customer first.


Network Services
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