Unlocking Viettel MultiSIM's Wonders

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Ngày cập nhật gần nhất: 15/3/2026

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Unveiling Viettel MultiSIM

Viettel, one of the pioneering telecom operators in Vietnam, has introduced the MultiSIM service. Users can now use one phone number across various technological devices simultaneously, such as tablets and smartwatches. For more information about Viettel MultiSIM, follow the article below by Mytour.vn.

Discover Viettel MultiSIM: A service launched by the military-owned Viettel Group on March 1, 2020. With this service, each subscriber using the mobile network services of this provider can use the main SIM and additional SIMs on the same mobile number. Users can easily subscribe to Viettel packages and VAS Viettel services directly on the additional SIM.

Viettel officially deploys the Multi SIM service - one SIM for use on multiple devices.

Unveiling Viettel MultiSIM

Article Contents:
1. What is Viettel MultiSIM?
2. Benefits of Viettel MultiSIM
3. How to register for Viettel MultiSIM?

1. What is Viettel MultiSIM?

Viettel MultiSIM is an entirely new service from Viettel, designed for both prepaid and postpaid customers. Previously, users could only use one SIM with one phone, but with this service, users can use one main SIM and three additional SIMs across four different devices.

2. Benefits of Viettel MultiSIM

- 4 in 1

Convenience is the primary benefit customers receive with this service. Some phones are now 'cloned' to operate on all four different devices. All these SIMs share the same account, allowing customers to manage expenses conveniently: share Data 3G/4G packages, call packages, text messages, and more.

- Ring simultaneously

When there's an incoming call, all your devices connected to Viettel MultiSIM will receive notifications simultaneously. If you happen to be out and forget your phone with the main SIM, fear not! You still have other devices to come to the rescue, such as tablets, smartwatches...

Note: With Viettel MultiSIM, secondary SIMs allow you to listen, make calls, or access 3G, 4G internet as usual, but unfortunately, texting is not supported.

3. How to register for Viettel MultiSIM?

Requirements for using Viettel MultiSIM: Electronic devices like phones, tablets, smartwatches... that support physical SIMs or eSIMs.

To register for Viettel MultiSIM: Visit the nearest Viettel transaction office or branch and complete the necessary registration procedures as required.

List of Viettel stores nationwide can be found here: HERE

Usage fees for Viettel MultiSIM service:

-Service registration fee: 150,000 VND/1 secondary sim, inclusive of

+ 25,000 VND for sim or eSIM

+ 125,000 VND activation fee for the service

Customers only need to pay once during the registration process

- Service maintenance fee: .000 VND/1 month/1 secondary sim

During usage:

+ To check the status of SIMs using Viettel MultiSIM service, send a message with the syntax: MULTI to 195
+ To cancel Viettel MultiSIM service, send a message with the syntax: CANCEL MULTI to 195
+ For any inquiries, call Viettel hotline at: 198

https://Mytour.vn/viettel-multisim-la-gi-26471n.aspx
Questions about Viettel MultiSIM, how to register, and current registration fees are now answered. If you want to transfer your Viettel SIM to another subscription, you can refer to the method of Viettel Money Transfer.

Frequently Asked Questions

What is the Viettel MultiSIM service and how does it work?

Viettel MultiSIM is a new service that allows users to utilize one phone number across multiple devices, including tablets and smartwatches. Launched on March 1, 2020, subscribers can have one main SIM and up to three additional SIMs, enabling them to manage calls, messages, and data packages seamlessly across devices.

What are the main benefits of using the Viettel MultiSIM service?

The primary benefit of Viettel MultiSIM is convenience, allowing users to share data and call packages across devices. Incoming calls ring on all connected devices, ensuring you never miss an important call. However, please note that texting is not supported on the additional SIMs.

How can I register for the Viettel MultiSIM service effectively?

To register for Viettel MultiSIM, visit the nearest Viettel transaction office with your electronic devices that support physical SIMs or eSIMs. Complete the registration procedures, paying a one-time fee of 150,000 VND for each secondary SIM, which covers activation and SIM costs.

Is it possible to cancel my Viettel MultiSIM service at any time?

Yes, you can cancel your Viettel MultiSIM service whenever you choose. To do this, simply send a text message with the syntax 'CANCEL MULTI' to 195. Ensure you follow up on any fees or service charges related to the cancellation.

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