Outage in Telesign
Operator Service Alert - Mexico (MX) - ATT (Iusacell&Unefon&Nextel) (334/01;010;04;040;05;050;09;090;07;070;080) - Quality degradation
Resolved MinorIncident Report
Summary AI Generated
**Summary:** On September 5–6, 2026, ATT (Iusacell, Unefon, and Nextel) in Mexico experienced network issues that caused SMS delivery delays for end users on the affected carrier. The incident lasted approximately 14 hours, beginning at 7:50 PM PDT on September 5 and running until 10:36 AM PDT on September 6. Full service was restored and SMS delivery returned to normal upon resolution.
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 support@telesign.com.
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Latest Updates ( sorted recent to last )
RESOLVED
about 18 hours ago - at 09/06/2026 07:51PM
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.
INVESTIGATING
1 day ago - at 09/06/2026 05:52AM
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 support@telesign.com.
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