Hologram incident

Connectivity issues on Global-2 profiles (ICCID prefix 89357*)

Hologram experienced a major incident on December 28, 2025 affecting Global Cellular Data Network and SMS over cellular - Device Terminated and 1 more component, lasting 2h 19m. The incident has been resolved; the full update timeline is below.

Started: Dec 28, 2025, 08:42 PM UTC
Resolved: Dec 28, 2025, 11:01 PM UTC
Duration: 2h 19m
Detected by Pingoru: Dec 28, 2025, 08:42 PM UTC

Affected components

Global Cellular Data NetworkSMS over cellular - Device TerminatedSMS over cellular - Device Originated

Update timeline

investigating Dec 28, 2025, 08:42 PM UTC

We are currently investigating a reported issue on our Global-2 profiles (ICCID prefix 89357*). We are seeing devices having trouble establishing new sessions/registrations on 4G/LTE. We are actively working with our upstream partners on a resolution and we'll provide updates as more information becomes available.
monitoring Dec 28, 2025, 09:24 PM UTC

The issue has begun to resolve and we are seeing devices able to open sessions. We are continuing to monitor and work toward identifying a root cause.
resolved Dec 28, 2025, 11:01 PM UTC

This incident has been resolved.