Science & Tech · Big Tech & Internet · 2 hrs ago
NTT Docomo reports nationwide disruption to calls, data and text messages
NTT Docomo reported a nationwide mobile service disruption in Japan on November 5.
Customers using Docomo connections had trouble with voice calls, mobile data and SMS.
The company was still checking when the disruption began and what caused it.
It was also checking whether emergency calls were affected.
A separate problem had made Docomo’s d払い payment service difficult to use from the previous evening, but that issue was fixed by about 1 a.m.
on November 5.
Docomo said the payment problem was caused by a system failure, not a cyberattack.
The company had not yet said when the nationwide mobile services would return to normal.
NTT Docomo reported a nationwide disruption affecting mobile voice calls, data services and SMS on Nov. 5.
The company said devices using Docomo’s network were affected.
The disruption’s start time, cause and effect on emergency calls were still being checked.
A separate problem that made its d-payment service difficult to use the previous evening was restored by about 1 a.m. on Nov. 5.
Docomo said the d-payment problem was caused by a system failure, not a cyberattack.
- Who
- NTT Docomo and users of devices on its network.
- What
- A nationwide disruption affected voice calls, data services and SMS.
- When
- Nov. 5, 2026. The start time was still being checked.
- Where
- Across Japan.
- Why
- The cause was still being checked.
This story does not have two clearly opposing sides.
A separate disruption made Docomo’s d-payment service difficult to use.
The d-payment disruption had been restored.
Docomo announced a nationwide disruption affecting calls, data services and SMS.
- Affected services
- Voice calls, data services and SMS
- Coverage
- Nationwide
- Affected devices
- Devices using Docomo’s network
- d-payment issue
- Restored by about 1 a.m. on Nov. 5
- d-payment cause
- System failure; Docomo said it was not caused by a cyberattack
3 sources
What people are saying
サイバー攻撃に起因するものではない