SIM & Internet
11 questions from travelers about SIM & Internet in Nha Trang, Vietnam.
Questions
Can you buy a SIM card at Nha Trang airport and how much does it cost?
Yes, tourist SIM cards (e.g. Viettel) are available at Nha Trang airport. An unlimited plan for 30 days costs around 800 RUB; note that renewal may require a top-up of 150,000 VND.
2 sources · 7 days ago
Does a home country SIM card work in Vietnam for receiving SMS and calls?
Your home SIM card will work in Vietnam for receiving calls and SMS, but mobile data should be disabled. Answering incoming calls is expensive — better to decline and call back via messengers.
1 source · 3 days ago
Does eSIM work on iPhone in Nha Trang Vietnam, and can I keep my home SIM for calls?
eSIM works on iPhone in Nha Trang and can be purchased in advance via Trip.com. Use eSIM for data and keep your home SIM active for calls via roaming — just disable roaming on the physical SIM and enable it on the eSIM.
1 source · 3 days ago
Do I need to re-register my Vietnamese SIM card and what happens if I miss the deadline?
Vietnam is rolling out mandatory SIM re-registration with face verification at carrier offices. If your SIM is linked to a bank, Zalo, or Grab, don't delay. Also, fully disable your home SIM before arrival to avoid surprise roaming charges.
2 sources · today
Do you need a passport to buy a SIM card in Vietnam?
Not always: some operators sell SIMs without a passport. A monthly unlimited SIM with 60 call minutes costs around 180,000 VND, no documents required.
2 sources · 4 days ago
How to find your eSIM phone number in Nha Trang Vietnam for taxi apps
After installing an eSIM, find your number in phone Settings → About Phone or SIM card info. You'll need it to register with local taxi apps.
2 sources · 4 days ago
Where to buy an eSIM in Nha Trang and how to get one before or after arrival?
You can buy an eSIM in advance via apps like Trip.com. Physical SIMs are easy to get at the airport or in the city upon arrival.
3 sources · 4 days ago
Where to buy a SIM card in Nha Trang and how much does mobile data cost?
Buy a SIM at any carrier store with your passport. A 30-day plan with 6–8 GB/day costs around 200,000 VND. Daily eSIM options are also available.
2 sources · 6 days ago
Where to buy a tourist SIM card in Nha Trang and which carrier is best?
Tourist SIM cards are available at the airport and carrier stores throughout the city. Viettel and Mobifone are the most recommended carriers for tourists.
3 sources · today
Which SIM card to buy in Nha Trang and how much does it cost?
Get Viettel for around 200,000 VND. Tell the seller you're staying for a month and ask for a data-only plan.
2 sources · 7 days ago
Why won't eSIM install in Vietnam if my phone supports eSIM?
If you get a device incompatibility error when installing an eSIM in Vietnam, your phone likely doesn't actually support eSIM — Chinese market versions of phones often have dual physical SIM slots instead of eSIM support.
1 source · 2 days ago