Hologram incident

Partial Global-2 Outage affecting SIMs with prefix 8935*

Hologram experienced a minor incident on March 25, 2026 affecting Global Cellular Data Network and SMS over cellular - Device Terminated and 1 more component, lasting 6h 9m. The incident has been resolved; the full update timeline is below.

Started: Mar 25, 2026, 10:35 AM UTC
Resolved: Mar 25, 2026, 04:45 PM UTC
Duration: 6h 9m
Detected by Pingoru: Mar 25, 2026, 10:35 AM UTC

Affected components

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

Update timeline

investigating Mar 25, 2026, 10:35 AM UTC

One of our upstream network partners is experiencing an outage affecting new registrations on their 2G, 3G, and 4G/LTE networks. We have notified the partner and are working with them to resolve this issue. This outage only affects SIM cards with the ICCID prefix 8935*.
monitoring Mar 25, 2026, 01:51 PM UTC

Our upstream partner has confirmed the outage has been resolved. We will be monitoring our metrics and provide updates accordingly.
resolved Mar 25, 2026, 04:45 PM UTC

This incident has been resolved.