Prepaid travel eSIM
5GB of high-speed data to use over 30 days in Vietnam. Your internet traffic exits in Hong Kong. Some services, such as ChatGPT and Google Gemini, aren't available on Hong Kong IPs. Choose the Non-HK IP version if you need them.
Graba SIM Family
One order for 2 to 6 people. Choose a plan for each person, lighter data for the kids and more for whoever is navigating, and every eSIM arrives labelled with their name.
Key facts
Popular apps on this plan
TikTok isn’t available in Hong Kong. OpenAI doesn’t offer ChatGPT in Hong Kong. Google doesn’t offer Gemini in Hong Kong.
Check your phone works with eSIMBuying for the family? Save up to 25%
TRAVELLING FROM THE UK
A week of mobile data abroad on your UK plan, next to this prepaid Vietnam eSIM. UK network prices include calls and texts from your UK plan; Graba SIM plans are data only, so keep your UK SIM on for calls and texts.
Prices in pounds for every network and for Graba SIM, so they compare like for like.
Vietnam isn’t on O2 Travel’s destination list, so O2’s standard roaming rates apply. Check them on O2’s website.
7-day pass, Three Go Roam Around the World. Includes your UK calls, texts and up to 12 GB of your UK data. Pay Monthly plans without roaming included.
Check what Vodafone charges in Vietnam in its roaming charge checker. Its European roaming passes only cover Zone B.
EE doesn’t publish one price for every country: it prices roaming by destination, plan and start date. Check EE’s roaming tool for Vietnam.
5GB for 30 days, data only. Lasts 30 days, longer than the week shown for the networks.
Published prices, checked 6 November 2026: O2 · Three · Vodafone · EE. Each price is for that destination’s own roaming zone. Some UK plans include roaming, so check yours before you travel. The Graba SIM price is the current plan price.
Full specification
Vietnam eSIM – 5GB, 30 Days
5GB over 30 days averages 167MB a day, but it is a total, not a daily cap.
| Use | Per day | Whole plan (5GB) |
|---|---|---|
| Maps and directions | about 17 hours | 500 hours |
| Browsing and social media (no video) | about 1 hour | 33 hours |
| Video calls | about 25 minutes | 12 hours |
| Standard-definition video | about 15 minutes | 7 hours |
Rough guide: maps 10MB, browsing 150MB, video calls 400MB, standard video 700MB an hour.
This plan works in the following country
VietnamVietnamCompare
Price per GB in the currency you chose; for day passes it is per GB of full-speed data.
| Plan | Type | Price | Price per GB |
|---|---|---|---|
| 100MB · 7 days | Fixed data | £1.99 | £19.90 |
| 500MB · 7 days | Fixed data | £1.99 | £3.98 |
| 1GB · 7 days | Fixed data | £3.25 | £3.25 |
| 3GB · 15 days | Fixed data | £8.50 | £2.83 |
| 3GB · 30 days | Fixed data | £8.99 | £3.00 |
| 5GB · 30 daysThis plan | Fixed data | £8.25 | £1.65 |
| 10GB · 30 days | Fixed data | £25.50 | £2.55 |
| 20GB · 30 days | Fixed data | £46.75 | £2.34 |
| 50GB · 180 days | Fixed data | £161.75 | £3.24 |
| 500MB/day · 1 day | Daily pass | £1.99 | £3.98 |
GRABA PERKS · TRAVEL PARTNERS
Experiences, airport transfers and useful extras to go with your Graba SIM connection. Compare flights →
ExperiencesExplore activities, local experiences and transport options for your next destination.
Explore KKday ↗
TransfersArrange an airport pickup in advance. Review vehicle capacity, pickup instructions and cancellation terms.
FlightsExplore flight routes and fares. Check baggage, connection protection and change conditions before booking.
Country to country flights ↗
Car hireExplore rental vehicles and compare pickup arrangements, deposits and included mileage.
Explore GetRentacar.com ↗Affiliate links: Graba SIM may earn a commission when you book through these links, at no extra cost to you. Bookings are with the partner. Availability, eligibility, prices and terms can change; check the final details before paying.
We email a QR code after you pay. iPhone guide · Samsung and Pixel guide · Installed but no data?
For messages, maps and some browsing every day, yes. Keep video and large uploads for Wi-Fi.
Add a top-up to the same eSIM or buy another Vietnam plan to keep going.
The next size up, 10GB for 30 days, is £25.50: £2.55 per GB, more per GB than the 5GB plan, so it only pays if you need the extra data.
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