eSIM for Vietnam
Data-only eSIM for travel, business or study in Vietnam. Set it up on your phone before departure and get online as soon as you arrive.
- Vietnam coverage
- Data-only: phone-number calls and SMS are not supported, but app calls such as LINE/WhatsApp work over data
- Easy one-tap setup right after purchase (QR/manual also supported — prepare over Wi-Fi before you go)
- Turn on mobile data after arrival to start using it
Key points before buying for Vietnam
| Data-only? | Yes. Data only: phone-number calls and SMS are not included. |
|---|---|
| When validity starts | Varies by plan (some count from installation, others from the first connection at your destination). Please check each plan’s detail page. |
| Device compatibility & SIM lock | You need an eSIM-compatible, carrier-unlocked device. Please check that your device supports eSIM before buying. |
| Tethering | Varies by plan. Please check each plan’s detail page. |
| Top-up | Every plan shown here can be topped up from My Page. |
| Unlimited plans: high-speed data and limits | Some plans are unlimited with a daily high-speed allowance (1GB, 2GB, 3GB, 5GB, 10GB per day). Speed may drop after the daily allowance, and conditions differ by plan. About Unlimited Max |
Plans available for Vietnam (tax incl.)
For each data and validity combination, the lowest-priced product is shown. Products with the same name can differ in networks or conditions, so please check each product’s detail page before buying.
| Product | Data | Validity | Price | Networks | Details |
|---|---|---|---|---|---|
| Vietnam eSIM 100MB data / 7 days | 100MBA very light pace — for occasional checks or a backup line. | 7 days | 0.77 USD / 7 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM 500MB data / 7 days | 500MBA very light pace — for occasional checks or a backup line. | 7 days | 0.95 USD / 7 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM 1GB data / 7 days | 1GB | 7 days | 1.35 USD / 7 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM 3GB data / 15 days | 3GB | 15 days | 3.39 USD / 15 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM 3GB data / 30 days | 3GB | 30 days | 3.60 USD / 30 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM 5GB data / 30 days | 5GB | 30 days | 5.66 USD / 30 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM 10GB data / 30 days | 10GB | 30 days | 10.32 USD / 30 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM 20GB data / 30 days | 20GB | 30 days | 18.95 USD / 30 days | Vinaphone (5G) / Viettel Mobile (5G) | View details |
| Vietnam eSIM 50GB data / 180 days | 50GB | 180 days | 65.52 USD / 180 days | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM unlimited data (1GB/day high-speed) / 1 day | unlimited data (1GB/day high-speed) | 1 day | 1.27 USD / 1 day | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM unlimited data (2GB/day high-speed) / 1 day | unlimited data (2GB/day high-speed) | 1 day | 2.40 USD / 1 day | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM unlimited data (3GB/day high-speed) / 1 day | unlimited data (3GB/day high-speed) | 1 day | 3.30 USD / 1 day | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM unlimited data (5GB/day high-speed) / 1 day | unlimited data (5GB/day high-speed) | 1 day | 4.65 USD / 1 day | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
| Vietnam eSIM unlimited data (10GB/day high-speed) / 1 day | unlimited data (10GB/day high-speed) | 1 day | 9.90 USD / 1 day | Viettel Mobile (5G) / Vinaphone (5G) / MobiFone (5G) | View details |
Prices are reviewed periodically. See the comparison page for the latest prices and products not listed here. Compare Vietnam plans
What this page covers
- Plans you can buy
- How to choose data
- How to set up
- If it won't connect
- FAQ
Why use an eSIM in Vietnam
- No hunting for a physical SIM at the airport—set it up on your phone before you go
- Keep your home SIM in place and just add an overseas data plan
- Use maps, ride-hailing, messaging and translation apps right after arrival
- Choose data and days to fit anything from short trips to long stays
Vietnam eSIM price guide (tax incl.)
| Data | Validity | Price (tax incl.) |
|---|---|---|
| 100MB | 7 days | 0.77 USD |
| 500MB | 7 days | 0.95 USD |
| 1GB | 7 days | 1.35 USD |
| 3GB | 15 days | 3.39 USD |
| 3GB | 30 days | 3.60 USD |
| 5GB | 30 days | 5.66 USD |
| 10GB | 30 days | 10.32 USD |
| 20GB | 30 days | 18.95 USD |
| 50GB | 180 days | 65.52 USD |
| Data / day | Price (tax incl.) |
|---|---|
| 1GB / day | 1.27 USD / day |
| 2GB / day | 2.40 USD / day |
| 3GB / day | 3.30 USD / day |
| 5GB / day | 4.65 USD / day |
| 10GB / day | 9.90 USD / day |
Prices shown include tax and may change. Please check the latest on the comparison page before buying. See latest on the comparison page
Vietnam eSIM: cheapest plan by trip length
The cheapest fixed-data plan for each validity period.
Lowest price: 0.77 USD (100MB, 7 days)
| Validity | Data | Lowest price (tax incl.) |
|---|---|---|
| 7 days | 100MB | 0.77 USD |
| 15 days | 3GB | 3.39 USD |
| 30 days | 3GB | 3.60 USD |
| 180 days | 50GB | 65.52 USD |
Networks you can use in Vietnam
Networks supported by the plans Bloomy offers for Vietnam. The supported networks differ by product.
- MobiFone 5G
- Viettel Mobile 5G
- Vinaphone 5G
The networks you can use differ by plan. See the plan list above and each product’s detail page for its networks.
There are also 71 regional plans that include Vietnam, handy if you visit nearby countries too.
How to choose your data amount
- Email, maps, messaging: about 0.3–0.5GB per day
- Plus SNS, photos, browsing: about 0.5–1GB per day
- Heavy video or tethering: about 1–2GB+ per day
- For long stays or uncertain use, consider an unlimited plan
These are rough guides; actual usage varies by app and behavior.
Setting up your eSIM for Vietnam
Before departure, set up the eSIM over Wi-Fi (one-tap / QR / manual)
On arrival in Vietnam, select Bloomy eSIM for mobile data
Turn on data roaming for the Bloomy eSIM line if needed
Device compatibility & SIM lock
You need an eSIM-compatible, carrier-unlocked device. Please check your device supports eSIM before buying.
If it won't connect in Vietnam
Check that Bloomy eSIM is selected for mobile data, data roaming is on, and you have signal.
FAQ: eSIM for Vietnam
Will this eSIM work in Vietnam?
When should I set it up?
Can I use a phone number or SMS?
What happens if I run out of data?
Can I use it as soon as I land in Vietnam?
Which networks does it use in Vietnam?
How many days should my plan cover?
Related pages
Heading to Vietnam?
Compare data, days and coverage to find the plan that fits you.
Compare Vietnam plans