No products in the cart.
How to Use eSIM in Vietnam: Step-by-Step Guide for Tourists & Expats (2025 Update)
📲 Wondering how to use eSIM in Vietnam as a tourist or expat in 2025? This practical guide covers everything: how to install, activate, and make the most out of your eSIM, including real plan prices, case studies, and local expert tips (checked July 2025).
🇻🇳 What is an eSIM and Why Use It in Vietnam?
- 📶 No physical SIM swap: Activate a Vietnamese plan directly on your phone with a QR code—no shop visit needed.
- 🗺️ Keep your home SIM active: Dual SIM lets you use your original number (banking/OTP) and Vietnamese eSIM (local calls/data) at the same time.
- 💡 Faster & safer: Avoid lost SIM cards or complicated setups at airport kiosks.
- 🚀 Ready before landing: Install eSIM from home, activate instantly upon arrival.
Case Study: “Tina (Germany) pre-installed Viettel eSIM from GoVnSIM, landed in Hanoi, activated within 2 minutes, used Grab & Zalo instantly—no queue, no paperwork.”
📋 Which Phones Support eSIM in Vietnam? (2025 List)
- 📱 Apple: iPhone XR/XS and newer (inc. SE 2020, 11–15 series), iPad Pro 3rd gen+
- 📱 Samsung: S20, S21, S22, S23, S24, Note 20, Z Flip/Fold, A54+
- 📱 Google: Pixel 4, 5, 6, 7, 8 series
- 📱 Others: Oppo, Xiaomi, Motorola, Huawei (select 2023+ models, check specs)
Tip: Your phone must be unlocked. Check with your carrier before travel.
💰 Verified eSIM Plans & Prices (2025)
| Provider | Data | Local Number | Calls/SMS | Validity | Price (USD) |
|---|---|---|---|---|---|
| Viettel (GoVnSIM) | 5GB/day | +84 included | No | 30 days | $18.5 |
| Mobifone (GoVnSIM) | 6GB/day | +84 included | Yes (500 min call, SMS) | 30 days | $14.5 |
| Vinaphone | 2GB/day | +84 included (on select plans) | Yes (check plan) | 30 days | $13–15 |
Prices checked July 2025. Source: GoVnSIM shop
Note: Only some eSIMs include a real Vietnamese number (+84) for Grab, Zalo, banking. Data-only eSIMs do NOT allow SMS or app registration!
🛒 Where to Buy eSIM for Vietnam?
- 🌐 Online (best): Order from GoVnSIM – plans verified, instant delivery, English/Chinese support
- 🛬 Airport counter: Some shops sell eSIM, but plans are often data-only and not all support app registration
- 🏪 Mobile shops in city: May offer setup, but language barrier and limited plans for tourists
Expert tip: Pre-order your eSIM online before travel for best support, refund policy, and number registration.
🛠️ Step-by-Step: How to Install & Activate Vietnam eSIM (2025)
- 🛒 Order: Buy from GoVnSIM – choose a plan with +84 number if you need SMS/OTP.
- 📧 Receive QR code: Delivered to your email within 10–60 minutes (8am–10pm daily, Vietnam time).
- 📲 Install: Go to Settings → Mobile Data → Add eSIM → Scan QR code.
- 🌏 Activate: When you land in Vietnam, your eSIM auto-activates (usually within 5 minutes on Viettel/Mobifone network).
- 📞 Check number: Dial *0# (for Viettel/Mobifone from GoVnSIM) to see your Vietnamese phone number.
- 💬 Register apps: Use your +84 number for Grab, Zalo, Shopee, MoMo, and receive OTP/SMS easily.
Pro tip: Do not delete the eSIM after activation – QR code is single-use!
📢 Ready for Seamless Vietnam Connectivity?
- ✅ Real Vietnamese number for all local apps & delivery
- ✅ Official Viettel/Mobifone plans, English support
- ✅ 100% refund if not compatible with your device
🛡️ Troubleshooting Common eSIM Issues in Vietnam (2025)
- ❗ Not connecting to network?
- Check you are in Vietnam and not on airplane mode.
- Restart phone or toggle mobile data on/off.
- Try manual carrier selection: Viettel/Mobifone usually appear in network list.
- ❗ No signal in remote areas?
- Viettel is best for coverage in Sapa, Ha Giang, highlands.
- Switch to 3G if 4G is weak in mountains (Settings → Mobile Data → Network Mode).
- ❗ Can’t receive SMS or OTP?
- Check plan includes +84 local number (only certain plans, see GoVnSIM full guide).
- For Grab/Zalo, ensure you input the correct number format (start with 0 or +84).
- ❗ QR code already used?
- Each QR is single-use, only for one device. Contact GoVnSIM if you need a re-issue.
- ❗ Data not working, calls/SMS OK?
- Check APN auto-set: should be v-internet for Viettel, m-wap for Mobifone.
- Manual APN setup guide available on GoVnSIM Installation Guide.
Support: Contact GoVnSIM via WhatsApp +84 98 307 4915 or LINE (anyaxiaoying) for live help, 7am–11pm daily.
🔗 Real User Experiences: Case Studies (2025)
Case 1: John (USA, 2 weeks Hanoi – Hoi An): Installed Mobifone eSIM from GoVnSIM, registered Grab and MoMo with no issues. Switched data to eSIM, kept US SIM active for banking. Average speed 55–80 Mbps in cities, 15–35 Mbps in Hoi An old town.
Case 2: Nana (Japan, expat, 4 months): Used Viettel eSIM, daily commute Sapa–Lao Cai. Best coverage among all friends. She could always receive Zalo/Grab calls, never missed an OTP for food delivery.
Case 3: Eric & Lisa (France, Da Nang/Phu Quoc trip): Installed both Viettel and Mobifone eSIMs (dual SIM iPhone). All apps worked, coverage everywhere, and local number helped with every hotel, rental, and tour.
📱 Local Tips for Smooth eSIM Usage in Vietnam
- 🕑 Activate just before arrival or at the airport to maximize plan days. eSIM plan countdown starts when installed/activated.
- 📲 Dual SIM: Use eSIM for data and calls/SMS, keep your home SIM in slot for banking/roaming.
- 🔋 Battery: Turn off mobile data for home SIM to save battery; only use eSIM for 4G.
- 🛒 Register Grab, Zalo, Shopee, MoMo with +84 number for seamless rides, delivery, payment.
- 💡 Always keep a photo of your eSIM QR code and activation email for backup (never share with others).
- 🏞️ For mountain/rural trips, use Viettel eSIM for best signal. Mobifone is great in cities and coast.
- 🔗 See device compatibility: Apple Vietnam eSIM support list
💬 FAQ: eSIM for Tourists & Expats in Vietnam (2025)
- ❓ Can I buy eSIM after arriving in Vietnam? Yes, but pre-ordering online gives better plan choices and English support. Airport eSIM counters often sell only data-only plans.
- ❓ How do I check my Vietnamese phone number? Dial *0# after activation (GoVnSIM Viettel/Mobifone eSIM).
- ❓ Can I keep my home SIM active? Yes! That’s the main advantage of eSIM—use two numbers at once.
- ❓ Can I get a refund if not working? GoVnSIM offers 100% refund if your phone is on the support list and plan doesn’t work.
- ❓ What if my device is locked? eSIM requires an unlocked device. Contact your carrier before travel to unlock.
- 📑 Vietnam eSIM with Phone Number – Definitive Guide
- 🔧 eSIM Installation Guide for Vietnam
📢 Order Vietnam eSIM – Best Plans, Local Support & Instant Delivery
- ✅ Official Viettel/Mobifone eSIM, real +84 number
- ✅ Verified price, English/Chinese support
- ✅ Instant QR delivery, refund if not compatible
- ✅ Hotline & support: WhatsApp +84 98 307 4915 / LINE anyaxiaoying