KDDI Corp said its au mobile phone service had been fully restored by Tuesday afternoon, ending 86 hours of service disruptions that affected millions of customers and a range of business activities.

TOKYO (Reuters) -Japanese mobile carrier KDDI Corp said it aimed to restore services Sunday evening after nationwide network troubles affected up to nearly 40 million users, making calls and ...

KDDI Corp shares fell as much as 3.9% on Monday after a weekend outage, the biggest system failure in the history of Japan's No.2 wireless carrier which affected almost 40 million users nationwide.

The feature, called “au Starlink Direct,” is available to subscribers of the company’s au cellphone service. KDDI President Hiromichi Matsuda told a news conference that data communications ...

KDDI Corp said Monday voice calls and data communications have almost been restored nationwide, two days after the Japanese telecom giant suffered disruptions on up to 39 million mobile connections ...

Japanese telco KDDI's mobile operator au last week launched a direct to cell service between satellites and au smartphones. Launched on 10 April 2025, the new service, called au Starlink Direct, i ...