Sierra Wireless incident
Service Degradation Notification – Essentials 3 and Advance SIMs In the UK Over the EE Network (GNOC-10310)
Sierra Wireless experienced a notice incident on November 18, 2025 affecting Data (NA) and Data (NA) and 1 more component, lasting 2h 33m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Nov 18, 2025, 01:51 PM UTC
Semtech is observing service degradation for Essentials5 and Advance SIMs Subscription in the UK over the EE Network. Devices that are currently present in these regions may find it difficult to establish a new data session, and for a few subscribers, the old data session may drop. We have reported the issue to our partner carrier. An investigation to determine the scope and cause is underway. Impact: Impacted devices may experience delays in establishing data, SMS, and voice services. We appreciate your patience in this regard. We will provide the next update within 2 hours.
- investigating Nov 18, 2025, 02:10 PM UTC
Correction: Semtech is observing service degradation for Essentials 3 and Advance SIMs Subscription in the UK over the EE Network.
- monitoring Nov 18, 2025, 03:09 PM UTC
Our partner carrier has restored service, and our engineers are monitoring it to ensure stability. If no further impacts are observed during our monitoring period, we will consider this resolved.
- resolved Nov 18, 2025, 04:24 PM UTC
We have not observed any further issues during our monitoring period. We are considering this issue resolved.