KDDI, the second largest mobile operator in Japan, experienced another communication failure.

CTOnews.com, August 25, according to CCTV news, around 21:13 local time on August 24, Japanese telecom operator KDDI's au, povo, UQ mobile and other communication services encountered voice calls that were difficult or unable to get through. The fault has been repaired at 22:00 local time.

As of March this year, KDDI infrastructure had about 62 million mobile subscribers, of which individual contract users under the au, UQ Mobile and povo brands accounted for about 31 million.

CTOnews.com learned that KDDI, Japan's second-largest mobile operator, broke down nationwide on July 2.

According to an investigation report released by Japan's Ministry of General Affairs, the communication failure on July 2 lasted 61 hours and 25 minutes, affecting more than 30.91 million people, surpassing the Softbank Corp. communication failure incident in 2018 and becoming the largest failure in Japanese history.