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Vietnam eSIM
eSIM Vietnam: prepaid data plans for your tripChoose a data plan on a Vietnamese network, pay by card and install the eSIM from the QR code shown right after payment. No store visit, no subscription.
Vietnam eSIM
Viettel eSIM for your trip to VietnamPrepaid data plans on the Viettel network, sold with the QR code shown right after payment. Viettel is the state-owned carrier that also serves many mountain and rural areas, so its plans are a common pick for routes that go far outside the cities.
Vietnam eSIM
VinaPhone eSIM for your trip to VietnamPrepaid data plans on the VinaPhone network, the carrier of the state telecom group VNPT. Several VinaPhone plans sold here come with a Vietnamese phone number, which helps with ride apps, deliveries and hotel calls.
Vietnam eSIM
MobiFone eSIM for your trip to VietnamPrepaid plans on the MobiFone network, including SkyFi plans that run on MobiFone. The MobiFone range sold here comes in more validities than the other two ranges and includes several plans with call minutes.
Help
Help with your VietSim eSIMInstalling, switching on in Vietnam, connection problems and refunds. Have the link to your order page ready.
Legal and contact
Contact VietSimContact VietSim by email at [email protected]. VietSim is operated by LuKas Holdings sp. z o.o., ul. Stefana Batorego 18/108, 02-591 Warsaw, Poland.
Help
How to install your Vietnam eSIMInstall the eSIM over Wi-Fi before you fly. On iPhone open Settings, Cellular, Add eSIM and scan the QR code on your order page. On Android open the SIM manager and choose Add eSIM. A QR code can usually be installed only once, so never delete the eSIM after installing it.
Help
Turn on your eSIM in VietnamWhen you land in Vietnam, turn the VietSim line on and choose it for mobile data. Turn off data roaming on your home SIM so it cannot run up charges. Each eSIM must be activated before a deadline set by the carrier, which is at least 3 days after you buy it from us.
Help
eSIM not connecting in VietnamStart with the phone settings, not the eSIM. Check that the VietSim line is on and selected for mobile data, turn Data Roaming on for that line and restart the phone. If there is still no internet after 10 minutes, email us your order link, phone model and screenshots.
Help
Refunds and lost QR codesEmail [email protected] with the link to your order page, or the email address you paid with and the payment date. An eSIM that has not been installed is refunded in full. Approved refunds are sent to your card within 5 business days, and your bank may need 5 to 10 more to show them.
Travel guide
Vietnam travel guide for staying connectedSIM cards and eSIM, the three networks, Wi-Fi, the apps you need and city-by-city tips, checked against carrier and official sources.
Travel guide
Vietnam SIM card: what to know before you buy oneVietnamese SIM cards come from Viettel, VinaPhone and MobiFone, and every line must be registered to your passport under Decree 163/2024/ND-CP. Your phone must be unlocked. Vietnam scheduled its 2G switch-off for 15 September 2026, so a phone with 4G calling (VoLTE) avoids call problems. An eSIM gives the same network without swapping cards.
Travel guide
Which eSIM for Vietnam fits your tripMatch the plan to 3 things: how many days you stay, how much data you use in a day, and whether you need a Vietnamese phone number. A daily allowance suits steady use and a total allowance suits short bursts. Viettel covers the most ground outside the cities; all 3 networks are strong in the cities and along the coast.
Travel guide
Viettel, VinaPhone or MobiFone: how Vietnam's three networks compareVietnam has three mobile networks for visitors: Viettel, VinaPhone and MobiFone. All three are state-owned, run 4G and have launched 5G: Viettel on 15 October 2024, VinaPhone on 20 December 2024 and MobiFone on 26 March 2025. The right network depends on your route, how long you stay and whether you need a local number.
Travel guide
Pocket Wi-Fi or eSIM for your trip to Vietnam?An eSIM puts mobile data on your own phone, with nothing extra to carry, charge or return. A pocket Wi-Fi router is a separate device that shares one connection: Global WiFi, a Japanese rental firm, lets up to 5 devices connect to its Vietnam routers. A router suits groups sharing one plan; solo travellers rarely need one.
Travel guide
Apps to install for Vietnam: Grab, Be, Green SM, Zalo and paymentsGrab works in Vietnam for cars, motorbikes and food, and you can pay in cash or by card. As of September 2026, Grab's help centre lists a 4% foreign payment fee on cards issued outside Vietnam. Be and Green SM (formerly Xanh SM) are local ride apps. Zalo, with 78.3 million monthly users in mid-2025, is Vietnam's main messaging app.
Travel guide
Vietnam phone and internet FAQ: WhatsApp, hotspot, 5G and callsYes. WhatsApp messages and calls run over mobile data or Wi-Fi in Vietnam, and your account stays on your home number when you use a Vietnamese SIM or eSIM. The blocking order Vietnam issued on 21 May 2025 named Telegram, not WhatsApp. For normal calls on a Vietnamese line, use a phone with VoLTE.
Travel guide
Staying connected in Da Nang and Hoi An: SIM, eSIM and getting aroundDa Nang International Airport (DAD) sits about 3 to 5.5 km from central Da Nang and about 29 km from Hoi An Ancient Town, as of September 2026. Install an eSIM before you fly or buy a SIM at the airport with your passport, then book Grab, Be or Xanh SM.
Travel guide
Staying connected in Nha Trang: SIM, eSIM and getting aroundNha Trang is served by Cam Ranh International Airport (CXR), about 35 km from the city, a ride of about 45 to 60 minutes as of September 2026. Install an eSIM before you fly or buy a SIM at the airport with your passport, then take bus 18, a taxi, Grab or Xanh SM.
Travel guide
Staying connected on Phu Quoc: SIM, eSIM and getting around the islandPhu Quoc International Airport (PQC) is about 10 km south of Duong Dong town, at least 15 minutes by road, and a taxi costs about 180,000 to 220,000 VND as of September 2026. Install an eSIM before you fly or buy a SIM at the airport with your passport.
Travel guide
Staying connected in Ho Chi Minh City: SIM, eSIM and getting aroundTan Son Nhat International Airport (SGN) is about 6 to 8 km from central Ho Chi Minh City, about 15 to 30 minutes by car in normal traffic as of September 2026. Install an eSIM before you fly or buy a SIM at the airport with your passport, then take bus 109, a taxi, Grab, Be or Xanh SM.
Travel guide
Staying connected in Hanoi: SIM, eSIM and getting aroundNoi Bai International Airport (HAN) is about 27 km north of central Hanoi, about 45 minutes to an hour by road as of September 2026. Install an eSIM before you fly or buy a SIM at the airport with your passport, then take bus 86, a taxi, Grab, Be or Xanh SM into town.
Legal and contact
About VietSimWho runs vietsim.com, what the site sells, how it earns money and why it belongs to no carrier. Operated by LuKas Holdings sp. z o.o., Warsaw.
Legal and contact
How we check prices and factsHow VietSim keeps eSIM prices current, where plan facts come from, what the 'prices checked' date means and how errors are corrected.
Legal and contact
Editorial and affiliate policyHow VietSim chooses what to publish, how partner links and commissions are disclosed, and the rules our pages follow so that readers can trust them.
Legal and contact
Terms of saleTerms for buying VietSim eSIM data plans for Vietnam: the seller, ordering, delivery, prices, right of withdrawal, refunds and complaints.
Legal and contact
Refund policyWhen VietSim refunds an eSIM purchase: a full refund before installation or when an eSIM cannot be made to work in Vietnam, and how to ask.
Legal and contact
Privacy policyHow VietSim collects, uses and protects personal data and cookies on vietsim.com under Singapore's Personal Data Protection Act 2012, and your rights.