Tens of millions of mobile phone users in Japan were unable to connect during most of the weekend, which is considered the worst outage in history in the country in terms of the number of lines affected.
According to mobile operator KDDI, the turmoil began early Saturday and lasted until Sunday, but some users still had problems on Monday.
The unprecedented outage affected about 40 million customers, about one-third of the country’s population. Japan Broadcasting Corporation report.
Affected services included KDDI’s “au” brand, as well as UQ mobile and Povo service customers using KDDI’s infrastructure.
KDDI states that it stopped when engineers installed new equipment, but the cause of the stop is not entirely clear.
Users, including corporate customers, couldn’t make phone calls or use the Internet, and had to borrow a friend’s phone or look for one of the declining payphones.
Tens of millions of regulars unable to make phone calls, make online banking, arrange deliveries, book vehicles, or take advantage of the myriad other services normally available to phone users. The customer was left Very frustrating..
Communication Minister Yasushi Kaneko said the case was a concern as some services had difficulty responding to emergency calls.
KDDI President Makoto Takahashi said he recognized the power outage as a “serious incident” and promised to respond appropriately in accordance with Japanese law, while delivering the usual bow of apology to Sunday’s blunder.
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