What is the best eSIM for Vietnam?
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For travellers who want Vietnamese mobile data on the phone they already own, eSIMbundle is a strong option. Buy a Vietnam bundle before departure, land at Hanoi, Da Nang or Ho Chi Minh City, and use Google Maps, Grab, Google Translate and WhatsApp straight away. A VPN is included with every plan.
Which mobile network does eSIMbundle use in Vietnam?
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Your eSIMbundle eSIM connects automatically to an available Vietnamese partner network when you land, so you do not pick a carrier at the airport. Vietnam is served by a small number of national operators; the specific one you end up on can vary by location and time.
Does eSIMbundle have good coverage across Vietnam?
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Coverage is generally comfortable across Hanoi, Ho Chi Minh City, Da Nang, Hoi An, Nha Trang, Hue and Phu Quoc. Signal can weaken in mountain passes north of Sapa, in deep Mekong Delta side channels and on offshore day boats around Ha Long Bay.
Is 5G available with a Vietnam eSIM, and how fast is it?
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4G is broadly available across populated Vietnam and 5G is being rolled out across the main city centres. Whether your phone connects on 4G or 5G in a specific spot depends on your device, the available partner network and live local conditions.
How much data do I need for 7, 15 or 30 days in Vietnam?
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Light users on Maps and messaging often manage on 1–3 GB a week. Normal travellers using Grab, translation, streaming and hotel bookings usually want 5–10 GB a week. Heavy video or hotspot users can push past 20 GB a week. Use the Travel Data Calculator to size a Vietnam plan for your trip.
Does a Vietnam eSIM include a Vietnamese phone number, calls or SMS?
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eSIMbundle Vietnam plans are data plans. Use mobile data for WhatsApp, FaceTime and other internet-based calling and messaging. Keep your normal SIM active for calls, SMS and verification messages, subject to your home carrier's roaming charges and support.
Can I keep my normal SIM, phone number and WhatsApp?
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Yes. On a compatible dual-SIM phone, keep your normal SIM installed and use your eSIMbundle eSIM for mobile data. Your normal phone number stays with your home SIM, and WhatsApp continues using the number already registered to your account.
Can I add more data while I am in Vietnam?
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Yes. Sign in to your eSIMbundle account and add another Vietnam data bundle whenever you need more. The new bundle activates on the same eSIM already installed on your phone — no new QR code, no reinstall.
Should I buy my Vietnam eSIM before travelling?
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Yes. Buy your bundle and install the eSIMbundle eSIM before departure while you have a stable internet connection. Then arrive at Hanoi, Da Nang or Ho Chi Minh City, turn off airplane mode and you are online — no counter detour and no roaming charges to worry about.
Does eSIMbundle include a VPN in Vietnam?
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Yes. A VPN is included with every eSIMbundle plan at no extra cost. Switch it on in the app for a more private connection on Vietnamese mobile data and on airport, hotel and café Wi-Fi.
Does the eSIM work in Sapa and on Ha Long Bay?
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In Sapa town and along the main highways coverage is generally comfortable. In mountain passes above the valleys, on remote trekking trails and on offshore Ha Long day boats, coverage from any Vietnamese carrier — including your eSIM partner network — can thin out.
Can I use the same eSIM on my next trip elsewhere?
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Yes. Your eSIMbundle eSIM stays installed on your phone. When you travel to another supported destination, add a bundle for it in your account and it activates on the same eSIM — no new installation required.
Buy a Vietnamese prepaid SIM after landing
