Vietnam eSIM — reviews & details
Vietnam 20GB 30Days · 20 GB · 30 days
158 reviews
Coverage & networks
- Vietnam Viettel Mobile 5G MobiFone 4G Vinaphone 5G
Traveller reviews
Nguyen B.
Portugal · Jul 2026
Good coverage in the city, a bit patchy in remote areas.
Priya
GotoeSIM Support
· 1 month ago Apologies for the trouble, Nguyen. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Priya 💜
Aisha P.
Canada · Jun 2026
Good coverage in the city, a bit patchy in remote areas. Data lasted the whole trip with room to spare.
Yuki
GotoeSIM Support
· 2 months ago So sorry to hear this, Aisha. That's not the experience we want for Vietnam. Reach our team at gotoesim.com/support so we can help right away. — Yuki, GotoeSIM Support
Sven R.
South Korea · Mar 2026
Solid overall, just wish there was a bit more data for the price.
Ingrid
GotoeSIM Support
· 5 months ago So sorry to hear this, Sven. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Ingrid, GotoeSIM Support
Grace H.
Japan · Jan 2026
Decent speeds, though slower than I expected in a few spots.
Emma
GotoeSIM Support
· 7 months ago Apologies for the trouble, Grace. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. — Emma, GotoeSIM Support
Frequently asked questions
How much does the Vietnam eSIM cost?
The Vietnam 20GB 30Days plan costs $20.21 for 20 GB over 30 days, paid once with no hidden fees.
How do I activate my Vietnam eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Vietnam.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Vietnam.
Comments & questions
Linh S. · 1 month ago
Do I need to install it before I travel or after I arrive?
Hi Linh! You can install the eSIM either before you travel or after you arrive in Vietnam. Just scan the QR code from your device's settings or use the GotoeSIM app. Enjoy your trip! – Priya, GotoeSIM Support
Haruto N. · 3 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Haruto — not at purchase. — Sophie, GotoeSIM Support
Ravi G. · 5 months ago
How long does the QR code take to arrive after payment?
It's immediate, Ravi! The QR code is delivered the moment your payment goes through. – Anna, GotoeSIM Support
Priya M. · 7 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Priya! Add it via SIM manager and you're set. — James, GotoeSIM Support
Haruto N. · 8 months ago
Can I use this for hotspot/tethering?
Yes Haruto, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Emma
Ingrid D. · 8 months ago
Great guide, the setup steps were really helpful.
Thanks Ingrid, that means a lot! Reach out anytime. — Laura, GotoeSIM Support
Sri K. · 8 months ago
Will this keep my WhatsApp active with my home number?
Yes Sri, WhatsApp keeps working with your home number — the eSIM only carries data. — Anna
Haruto D. · 10 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Haruto — it switches on when you land. – David, GotoeSIM Support
Daniel K. · 10 months ago
Does this work on an iPhone 13?
Yes Daniel, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. — Priya, GotoeSIM Support
Isabella P. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Topping up is easy, Isabella! Just add more data to your existing eSIM in the app. – Ingrid 💜
Ethan D. · 1 year ago
Is 5G supported or just 4G?
5G is available where covered, Ethan — you'll always get the best speed on offer. — Emma
Fatima T. · 1 year ago
Is roaming charged extra or is it all included?
No surprise fees, Fatima! Roaming is part of the plan and never billed separately. — Ken, GotoeSIM Support
Beatriz H. · 1 year ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Beatriz. — Sara