On 20 March 2026, the Infocomm Media Development Authority (IMDA) of Singapore launched the following public consultationd:

• Technical Specification for eUICC Subscription Management Technology - Consumer Device;
• Technical Specification for eUICC Subscription Management Technology - M2M Device;
• Technical Specification for Provisioning of eUICC Subscription Management.

The content of this consultation on technical specifications includes: software and hardware configuration requirements for M2M (or Internet of Things) devices and consumer devices using eUICC technology when implementing the "M2M Remote SIM Provisioning" function; and security and functionality requirements for consumer and M2M servers deployed in Singapore.

Click this link to view the original IMDA eUICC public consultations, which is open for comments until April 3, 2026.

On March 6, 2026, the Infocomm Media Development Authority (IMDA) of Singapore published the Technical Specification for Cellular Mobile Terminals (IMDA TS CMT Issue 1 Rev 4). Updates to the specification include:

• From December 31, 2026, all phones must disable 2G networks by default;
• From April 1, 2026, all mobile phones must have emergency community broadcasting functions;
• Devices that reach the end of product life (EOL) before the above date are not subject to the above requirements.

Click this link to view the original IMDA TS CMT Issue 1 Rev 4.

On December 11, 2024, IMDA published the IMDA CMT Technical Standard (IMDA TS CMT, standard for cellular terminals) and the IMDA CBS Technical Standard (IMDA TS CBS, standard for cellular base stations).

Click this link to view the TS CMT technical standard; Click this link to view the TS CBS technical standard.

Following the announcement of the Infocomm Media Development Authority (IMDA) of Singapore on 26 July 2023 on the gradual withdrawal of 3G networks from 31 July 2024, IMDA announced the progress of the relevant decommissioning on 24 July 2024:

• Operator M1 has migrated all users to 4G/5G networks, and will gradually complete the retirement of 3G network equipment from August 1, 2024. Other operators will gradually retire their 3G networks from November 2024.
• IMDA will stop importing or selling mobile devices up to 3G starting in February 2025.

Click on this link to view the original IMDA announcement.