TeleSign incident
Operator Service Alert - Mexico (MX) - ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) - Quality degradation
Resolved after 13 hours 58 minutes, affecting Mexico, on September 6, 2026.
Start Time: 7:50 PM PDT - 09/05/26 End Time: 10:36 AM PDT - 09/06/26 We received notification that the network issues previously reported by ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) from Mexico (MX) have been resolved. ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080)end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.
Affected components
Update timeline
- investigating Sep 06, 2026, 05:52 AM UTC
Issue: Operator - ATT (Iusacell&Unefon&Nextel) Quality degradation Start Time: 7:50 PM PDT - 09/05/26 End Time: Ongoing Summary: 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. Telesign is engaged with the operators for updates on resolution. We'd like to apologize for any inconvenience and appreciate your patience during this service interruption. If you have any questions, please contact [email protected].
- resolved Sep 06, 2026, 07:51 PM UTC
Start Time: 7:50 PM PDT - 09/05/26 End Time: 10:36 AM PDT - 09/06/26 We received notification that the network issues previously reported by ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) from Mexico (MX) have been resolved. ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080)end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.
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