🔄 Cập nhật lần cuối: 11/07/2026
Get online the moment you land
Arriving at Cam Ranh airport with no connection is a hassle: you can't book a ride, open a map, or message whoever's picking you up. An eSIM solves this — set it up in advance, switch it on when you arrive, and you have data instantly, with no queue to buy a SIM or fiddle with a tray.
What is an eSIM?
An eSIM is a "digital SIM" built into your phone. Instead of inserting a plastic card, you scan a QR code to activate a plan. Your phone can keep your home number (old SIM/eSIM) running alongside a Vietnam data eSIM.
Step 0: Check your phone supports eSIM
- Most iPhones from XS onward and many premium Android phones support eSIM.
- Quick check: open your mobile/cellular settings and look for "Add eSIM".
- Your phone must be carrier-unlocked.
5 steps to activate
- Order the eSIM before your trip and receive a QR code by email.
- Connect to Wi-Fi (at home or the airport) to install.
- Scan the QR code in mobile settings → "Add eSIM".
- Set the eSIM as your mobile data and turn on data roaming for that eSIM.
- Check: once you see the signal icon and 4G/5G, you're online.
Tips for a smooth eSIM
- Install while you still have Wi-Fi; scanning the QR needs internet.
- Keep the QR/email in case you need to reinstall.
- Keep your home number for bank OTPs — only move data to the Vietnam eSIM.
- Turn off your home SIM's data to avoid accidental roaming charges.
Plans and data (for reference)
Plans vary by data amount and number of days. Exact prices and plans change over time — treat this as reference and pick a plan that matches how many days you'll be in Vietnam.
Quick FAQ
- Can I activate right at the airport? Yes, as long as there's Wi-Fi to scan the QR.
- Can I reuse it on a new phone? An eSIM is tied to a device; a new phone usually needs a fresh install.
- Can I make calls? Travel eSIMs are mainly for data; calls depend on the plan and the apps you use.
Order your eSIM with ViEntry
ViEntry offers a travel eSIM activated quickly by QR, so you're online the moment you reach Vietnam. A combo is even handier: many travellers order E-Visa + eSIM together, arriving with both their paperwork sorted and data ready.
ViEntry is a platform connecting users with independent operators. All prices are for reference; final plans and conditions are set by the operator at the time of booking.
👉 Order an eSIM or ask about the E-Visa + eSIM combo: Telegram @vientry_support · WhatsApp +84 963 091 001. See details on ViEntry's eSIM page.
