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Mandatory re-verification of faces when changing phones

Hai Phong News 15/06/2026 16:00

From June 15, 2026, all mobile subscribers when having SIM cards removed and installed on other phones must re-enact biometric authentication for a maximum of 02 hours.

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Mobile subscribers in Vietnam will be required to undergo facial biometric verification when changing devices from April 15.

The policy is designed to enhance security, particularly in cases where users lose their SIM cards but fail to promptly deactivate them, creating opportunities for fraud or illegal activities.

For human-to-human mobile subscribers, outbound services will remain suspended until verification is completed. Users are given 30 days from the suspension date to complete the process. Failure to do so will result in a full two-way service suspension. If the subscriber still does not comply within five days after that, telecom providers are required to terminate the contract and discontinue services.

Hai Phong News

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Mandatory re-verification of faces when changing phones