On August 28, 2026, Mexico’s Telecommunications Regulatory Commission published an amendment to Technical Provision IFT-011-2022 Part 3 in the Official Gazette of the Federation. The amendment will enter into force on October 27, 2026.

The regulation applies to cellphones and smartphones that use radio spectrum or connect to telecommunications networks and are imported, marketed or distributed in Mexico. Its purpose is to ensure that these devices can properly receive and process emergency notifications through the Cell Broadcast Service.

What Does the Amendment Change?

The updated requirements distinguish between different categories of public-warning messages, including:

• Maximum Alerts for Earthquakes;

• Maximum Alerts for Other Hazards;

• Preventive Civil Protection Messages;

• Amber Alerts;

• Test and Exercise Alerts; and

• Informational Messages.

Mobile devices must recognize the designated Cell Broadcast channels and display emergency messages immediately through a clearly distinguishable pop-up window.

Users must not be able to disable Maximum Earthquake Alerts, Maximum Alerts for Other Hazards or Preventive Civil Protection Messages. The devices must also detect and eliminate duplicate alerts and prevent users from forwarding, replying to or copying the content of certain emergency messages.

The amendment additionally introduces specific audible signals and vibration patterns. Maximum Earthquake Alerts and Maximum Alerts for Other Hazards must use the prescribed sounds at maximum volume, together with the corresponding vibration cadence. Preventive Civil Protection Messages may use the notification sound configured on the device.

Testing methods and conformity-assessment report formats have also been updated to verify these functions.

How Does This Affect Manufacturers?

Manufacturers of cellphones and smartphones intended for the Mexican market should review both existing and future models.

For new certification and homologation applications submitted under the amended requirements, devices will need to demonstrate compliance with the updated alert channels, message-display formats, audible signals, vibration patterns and user-setting restrictions.

For models certified before October 27, 2026, manufacturers should determine whether each device was manufactured with all the technical elements necessary to support the new alert functions.

If the required functions can be enabled through an operating-system or firmware update, the certificate holder may notify the corresponding certification body and proceed with the update. The existing conformity and homologation certificates may remain valid and may be extended, but compliance with the new requirements will be evaluated during subsequent certification surveillance.

If the device does not have the necessary technical elements from manufacture and cannot implement the new functions, the existing certificates may remain valid under their original conditions. However, those certificates may not be extended and will not be subject to surveillance for compliance with the amended requirements.

Devices covered by either transitional scenario are not required to undergo an entirely new certification or homologation process solely because of this amendment.

Required Action

Manufacturers should:

• Identify all cellphone and smartphone models certified under IFT-011-2022 Part 3.

• Confirm whether each model has the hardware and software capability required by the amendment.

• Determine whether compliance can be achieved through an operating-system or firmware update.

• Provide a written technical declaration to the Mexican certificate holder, importer or authorized representative.

• Coordinate the required notification with the certification body.

• Prepare compatible models for software implementation and subsequent certification surveillance.

The formal notification obligation falls on the holder of the conformity and homologation certificates. Nevertheless, manufacturers will normally need to provide the technical assessment and supporting information required to classify each model correctly.

Any deadline earlier than October 27, 2026—such as October 20—should be confirmed directly with the certification body, as it may be an internal administrative deadline rather than a date expressly established in the amendment.

Source：https://sidof.segob.gob.mx/notas/579746

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