NTT Docomo 5G standalone network fails nationwide for second time in a week
Docomo's 5G standalone network failed for about nine hours on 11 November, after a 14-hour failure days earlier that hit up to 1.5 million customers. Both were caused by congestion in switching equipment; the underlying fault is still under investigation.
- Service
- NTT Docomo 5G SA
- Date
- 11 November 2026
- Cause
- Capacity
- Duration
- 9 hours
- Status
- resolved
- Severity
- major
- Region
- Global
- Source
- Light Reading ↗
Cite this
Nuffield Consulting, “NTT Docomo 5G standalone network fails nationwide for second time in a week”, The Daily Tech Wire outage & breach log, 11 Nov 2026. https://techwire.nuffieldconsulting.com/incidents/2026-11-11-ntt-docomo-5g-sa-outage/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: Light Reading, https://www.lightreading.com/5g/ntt-docomo-s-network-glitches-twice-in-five-days.
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