Exploring ways to verify the authenticity of Viettel, MobiFone, Vinaphone, and Vietnamobile SIM cards

Ensuring the legitimacy of your SIM card is crucial for safeguarding your rights and preventing scams, information theft, and spam. How can you check if the SIM card in your phone or your Samsung Galaxy S23 Ultra 5G 512GB is registered as the main account? Let's delve into the methods of checking the legitimacy of Viettel, MobiFone, Vinaphone, and Vietnamobile SIM cards in the following article.

Checking the Legitimacy of Viettel, MobiFone, Vinaphone, and Vietnamobile SIM Cards

Each SIM card represents a unique mobile phone. To facilitate subscriber management, every activated SIM card requires complete information about the owner. Registering the main account for the SIM card also ensures certain benefits for users, such as:

● Minimizing the risk of malicious individuals exploiting the phone number for illegal activities

● Especially for users with attractive phone numbers, registering the main account guarantees that the subscription is not disputed

● Swift resolution for cases of errors or the need to replace the SIM card

● Access various policies and preferential services from the network provider

Why verify your main account SIM?

You can verify the main subscriber information on any network by sending a message with the syntax: TTTB to 1414.

Afterward, the hotline will provide you with complete information registered under the SIM, including Name, Date of Birth, Citizen ID, Subscription Type, Activation Date, and more. This message service is entirely free of charge.

Check the main account SIM through text message

You can directly contact the network's hotline through the numbers below to have consultants assist you in accurately and swiftly checking the main account of your mobile number.

● Viettel Network: Hotline 198 or 18008098.

● MobiFone Network: Hotline 9090 or 18001090

● VinaPhone Network: Hotline 9191 or 18001091

● Vietnamobile Network: Hotline 123 or 789

In addition to checking the main account SIM via text message or directly contacting the hotline, networks now offer mobile apps for users to verify SIM information and track special promotions.

Step 1: Download the My Viettel app

Step 2: Choose Register > Enter the phone number > Press Continue > Enter the OTP code for confirmation > Select Finish to complete the registration process

Step 3: Select Viettel Virtual Assistant on the app screen > Click on Subscription Information

Step 4: Choose Customer Information section > The assistant will provide complete SIM registration information for you to verify.

Verify the main account SIM on Viettel app

Step 1: Open the My MobiFone app

Step 2: Tap the three horizontal lines icon at the top left corner of the screen

Step 3: Select the Subscription Information section where you can verify the main account registration for your SIM

Check subscriber information through the MobiFone app

Step 1: Install the My VNPT app

Step 2: Enter the VinaPhone number and select Send OTP. Then, input the OTP as required and press Register

Step 3: Log in to the app

Step 4: After successful login, click on Phone Number to view the information

How to check VinaPhone's main account SIM

If the SIM registration information is incorrect, visit the customer care center of your network to request the change. When going, remember to bring your ID card or Citizen ID for quick information update by the support staff.

Remember to check the main account SIM to protect your rights!

To ensure your rights, carefully verify the SIM registration information. If it's incorrect, visit the nearest service points for timely updates.

Currently, network providers support checking SIM information on both Android and iPhone devices, allowing you to apply the methods to check the main account SIM for Viettel, MobiFone, VinaPhone, and Vietnamobile as mentioned in the article anytime, anywhere easily and quickly. Best of luck with the process!