Is it better to rent a portable wifi or buy a card locally for a goose to travel to Vietnam?

Vietnam calling cards, the three major operators are Viettel, vinaphone and Mobiphone, and the signals are basically the same. Viettel has a large market share because the signal is slightly better. Vietnamese phone cards bought at the gateway are generally vinaphone, and I personally prefer Vinaphone.

1, Vietnamese mobile phone card

Before departure, you can buy Vietnamese calling cards from some domestic businesses, including pure traffic cards and traffic calling cards.

You can also buy a phone card when you go to Vietnam. They are sold at airports and border crossings, and the price is not expensive, usually 30 to 50.

1) telephone

This is an old brand. It used to be particularly famous, especially in northern Vietnam. Phone cards sold at the border are generally vinaphone.