Registering your TNT SIM card is required by law in the Philippines as part of the SIM Card Registration Act (Republic Act No. 11934). The primary purpose of this law is to help combat crimes such as:

Scams and Fraud – By ensuring that each SIM card is linked to a verified identity, authorities can trace individuals involved in fraudulent activities such as text scams, phishing, and mobile fraud.

Terrorism and Criminal Activities – Unregistered SIM cards are often used in activities related to terrorism and other serious crimes. Registration makes it easier for law enforcement to track and investigate criminals who use mobile phones in their operations.

Cybercrime – SIM card registration helps reduce cybercrime activities by associating SIM cards with specific users.

Better Consumer Protection – It provides users with an added layer of security, helping prevent unauthorized access to personal information or unauthorized use of a mobile number.

Failure to register your TNT SIM card by the deadline could result in the deactivation of your SIM, meaning you would no longer be able to use your mobile number for calls, texts, or mobile data.

The registration process typically involves providing valid identification and basic personal information to verify your identity.