Sierra Wireless incident
Service Degradation Notification for Essentials1, Essentials 5 and Maingate Subscriptions in Sweden using VPLMN Telia Sverige AB Network (GNOC-10536)
Sierra Wireless experienced a notice incident on December 9, 2025 affecting Data and SMS and 1 more component, lasting 16h 58m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Dec 09, 2025, 05:52 PM UTC
Semtech is currently observing a service degradation affecting Essentials1 SIM and Essentials 5 subscriptions operating in Sweden on the VPLMN Telia Sverige AB network. Devices presently located in Sweden may experience difficulties establishing new data sessions, and in some cases, existing data sessions may be dropped. We have reported this issue to our partner carrier, and an investigation is underway to determine the scope and root cause. Impact: Affected devices may encounter delays when attempting to establish Data, SMS, and Voice services. We will provide an update in 30 minutes.
- investigating Dec 09, 2025, 06:28 PM UTC
Our engineering teams are actively engaged with our partner carrier to expedite a resolution to this issue. Semtech is currently observing a service degradation affecting Essentials1 and Essentials5 SIM subscriptions operating in Sweden on the VPLMN Telia Sverige AB network. Devices currently located in Sweden may encounter difficulties establishing new data sessions, and in some instances, existing data sessions may be unexpectedly terminated. Impact: Affected devices may encounter delays when attempting to establish Data, SMS, and Voice services. Next Update: We will provide a status update within the next 2 hours.
- investigating Dec 09, 2025, 08:12 PM UTC
Semtech has also observed that the issue with Telia Sverige is impacting customers on Maingate Services as well.
- identified Dec 09, 2025, 08:52 PM UTC
Our engineers are observing some improvements at this time; however, services have not yet fully stabilized. Our partner carrier continues to work diligently toward a complete resolution of the issue, and we remain in close communication with them to monitor progress and ensure restoration as quickly as possible. Next Update: We will provide a status update within the next 2 hours.
- identified Dec 09, 2025, 10:55 PM UTC
Our engineers continue to observe some improvements at this time; however, services have not yet recovered. Our partner carrier continues to work diligently toward a complete resolution of the issue, and we remain in close communication with them to monitor progress and ensure restoration as quickly as possible. Next Update: We will provide a status update within the next 2 hours.
- identified Dec 10, 2025, 12:55 AM UTC
Our partner carrier continues to work toward a complete resolution, and we remain in close communication with them to monitor progress and ensure restoration as quickly as possible. Next Update: We will provide a status update within the next 2 hours.
- identified Dec 10, 2025, 03:05 AM UTC
Our partner carrier continues making progress toward a complete resolution, and we remain in close communication with them to monitor progress and ensure restoration as quickly as possible. Next Update: We will provide a status update within the next 2 hours.
- identified Dec 10, 2025, 05:07 AM UTC
Progress toward resolution is ongoing at the partner carrier, and we remain in close communication with them to monitor progress and ensure restoration as quickly as possible. Next Update: We will provide a status update within the next 2 hours.
- identified Dec 10, 2025, 07:16 AM UTC
Our partner carrier has made positive progress towards resolution, and we remain in close communication with them to monitor progress and ensure restoration as quickly as possible. Next Update: We will provide a status update within the next 2 hours.
- monitoring Dec 10, 2025, 08:46 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Dec 10, 2025, 10:50 AM UTC
This incident has been resolved.