Hologram incident

Partial Outage - G1 SIMs/profiles (prefix 8944*)

Hologram experienced a major incident on July 28, 2025 affecting Global Cellular Data Network and SMS over cellular - Device Terminated and 1 more component, lasting 5h 32m. The incident has been resolved; the full update timeline is below.

Started: Jul 28, 2025, 03:00 PM UTC
Resolved: Jul 28, 2025, 08:33 PM UTC
Duration: 5h 32m
Detected by Pingoru: Jul 28, 2025, 03:00 PM UTC

Affected components

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

Update timeline

investigating Jul 28, 2025, 03:00 PM UTC

We're currently experiencing a partial outage on our cellular network specific to our G1 profiles (sims/profiles with ICCID prefix 8944*). We're working closely with our upstream partners to get this resolved as soon as possible.
monitoring Jul 28, 2025, 07:30 PM UTC

A fix has been implemented and we are now seeing clear improvements in our network. Customers should begin to notice improved connectivity and fewer session failures. While performance has improved, we are continuing to monitor the network closely over the next few hours to ensure full stability.
resolved Jul 28, 2025, 08:33 PM UTC

This incident has been resolved.