Cellular connectivity interruption on some SIM cards

Incident Report for Hologram

Resolved

This incident has been resolved.
Posted Sep 19, 2023 - 22:01 UTC

Monitoring

We are seeing traffic properly being rerouted away from the broken link and succeeding, and close to normal levels. We will continue monitoring this new route with our partners.
Posted Sep 19, 2023 - 21:11 UTC

Update

After reviewing different approaches with our upstream partners, they have started routing traffic via a different link. We don't have an ETA yet to full resolution but we are seeing some 4G registrations succeed.
Posted Sep 19, 2023 - 20:03 UTC

Identified

Our upstream partners have traced the incident to a cut MedNautilus fiber cable and are working to reroute traffic
Posted Sep 19, 2023 - 17:29 UTC

Investigating

We are seeing an issue preventing some SIM cards with the 8935* prefix from being able to attach to the network and pass data. We have escalated this to upstream carrier partners and they are actively investigating.
Posted Sep 19, 2023 - 16:36 UTC
This incident affected: Cellular Networking (Global Cellular Data Network, SMS over cellular - Device Terminated, SMS over cellular - Device Originated).