TeleSign incident

Operator Alert - Mexico (MX) - ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) [05/14/26]

Major Resolved View vendor source →

TeleSign experienced a major incident on May 14, 2026 affecting Mexico, lasting 4h 4m. The incident has been resolved; the full update timeline is below.

Started
May 14, 2026, 08:56 PM UTC
Resolved
May 15, 2026, 01:00 AM UTC
Duration
4h 4m
Detected by Pingoru
May 14, 2026, 08:56 PM UTC

Affected components

Mexico

Update timeline

  1. investigating May 14, 2026, 08:56 PM UTC

    Start Time: 13:46 PDT - 05/14/26 End Time: Ongoing We received notification that ATT (Iusacell&Unefon&Nextel) from Mexico (MX) is currently experiencing network issues, and this may cause a delay in the delivery of SMS messages. We will inform you once the operator has come to a resolution. SF[01171681]

  2. resolved May 15, 2026, 01:00 AM UTC

    Start Time: 1:46 PM PDT - 05/14/26 End Time: 5:28 PM PDT - 05/14/26 We received notification that the network issues previously reported by ATT (Iusacell&Unefon&Nextel) from Mexico (MX) have been resolved. ATT (Iusacell&Unefon&Nextel) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly. SF 01171681