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Thailand Cambodia Vietnam eSIM
- Data: Daily 500MB – Daily 1GB – Daily 2GB high-speed data 5G/4G/LTE
- Validity: 8/12/15/30 days
- Coverage: Thailand, Cambodia, Vietnam
- Network operator: Truemove, CamGSM, Viettel, Vinaphone (VNPT), MobiFone
- Phone number: No
- Delivery: Immediate, via email, after order checkout
- Hotspot/Tethering: Yes
Description
Thailand Cambodia Vietnam eSIM – 5G/4G Data
Daily Data – Auto Renewal Every 24 Hours (GMT+8)
Experience seamless 5G/4G data across three Southeast Asian countries with our Thailand Cambodia Vietnam eSIM – from the golden temples of Bangkok to the ancient wonders of Angkor Wat and the vibrant streets of Hanoi. Your eSIM is delivered instantly via email and ready to activate in minutes. No physical SIM, no hassle. Powered by top networks in all three countries: Truemove – CamGSM – Viettel/Vinaphone/MobiFone.
- Your plan renews automatically every 24 hours – no need to top-up for more data.
- Seamless connectivity as you cross borders between three countries.
- Perfect for multi-country tours, backpacking adventures, or business travel.
What you can expect
#1 Multi-Country Coverage
Enjoy seamless connectivity as you travel across Thailand, Cambodia, and Vietnam – no SIM swap.
Instant activation
Get your mobile data working in just a few minutes, ready for both countries.
Keep number
Continue using your current number while enjoying our eSIM data.
Zero roaming fees
Everything paid upfront, zero hidden fees or international roaming costs.
Explore Thai, Cam & Viet with instant, reliable eSIM connectivity
Forget hunting for local SIM cards at every border crossing – travel seamlessly through Southeast Asia like a seasoned explorer!
Purchase your Thailand Cambodia Vietnam eSIM now! Skip the hassle of buying separate SIM cards in each country – land with data in Bangkok, stay connected as you cross into Siem Reap, explore Angkor Wat with navigation at your fingertips, then seamlessly continue to Ho Chi Minh City or Hanoi. With our Thailand-Cambodia-Vietnam eSIM, you’ll enjoy immediate activation, daily data that refreshes automatically, and the confidence of reliable coverage across all three nations.
How it works
Your tri-country connectivity awaits – prepare for an unforgettable Southeast Asian experience!
Step 1
Choose your plan
Browse our travel data plans, pick the perfect option and place an order.
Step 2
Scan QR code
Receive the QR code and user guide via email (instantly). Simply scan to activate.
Step 3
You’re all set!
Enjoy seamless access through fast and reliable networks in both Vietnam and China.
Things to know
Data service
Your eSIM Thailand – Cambodia – Vietnam provides daily data connectivity across all three countries with automatic network switching and daily renewal.
Check compatibility
Verify your phone supports eSIM and is unlocked. Check our eSIM compatibility list before purchasing.
Activation time
Your plan activates immediately after installation, so install it just before departure or upon arrival in Vietnam/China. The validity period starts when you first connect to a network.
30-day activation
Your plan activates immediately after installation, so install it just before departure or upon arrival in Thailand/Cambodia/Vietnam. The validity period starts when you first connect to a network.
One-time scan
Each QR code works only once – never delete your eSIM during use. Contact [email protected] or +1 657-571-1199 if you need help.
Frequently asked questions
If you still have questions about this service? We are here to help
Thailand-Cambodia-Vietnam eSIM?
It is not necessary to show your passport when buying eSIMs at vietnamesim.com.
When does my Thailand Cambodia Vietnam eSIM start?
Your Thailand-Cambodia-Vietnam eSIM plan starts as soon as you install it and connect to a network in any of the three countries (Thailand, Cambodia, or Vietnam). We recommend installing it right before your departure, so you’re connected immediately after landing.
Once activated, the validity countdown (e.g., 8, 12, 15, or 30 days) begins, and your daily data allowance becomes available. The plan works seamlessly as you travel across all three countries.
When should I install my eSIM?
Install the evening before departure or on arrival at the airport (Bangkok, Siem Reap, Phnom Penh, Hanoi, Ho Chi Minh City) using free airport Wi-Fi.
Does the eSIM work equally in Thailand, Cambodia, and Vietnam?
Yes, absolutely. Your daily data allowance works in all three countries without any restrictions. Cross borders freely without worrying about connectivity.
How does the daily data renewal work?
Every day at midnight (GMT+8 / Beijing Time), your data allowance automatically resets to the full amount (500MB, 1GB, or 2GB depending on your plan). You don’t need to do anything – it happens automatically.
How to activate eSIM Thailand Cambodia Vietnam?
Install the eSIM with the QR code sent to your email. In the mobile settings, select it as the default mobile data, turn on data roaming and mobile data. Then, your eSIM will work. Read more in our eSIM installation guide.
Can I share data or tether with the eSIM via Hotspot?
Yes, Thailand Cambodia Vietnam eSIM plans include hotspot feature for sharing data with other devices.
How will I receive my eSIM Thailand-Cambodia-Vietnam?
After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within 3-10 minutes. Just scan the QR code and follow the user guide.
Can I reinstall my eSIM if I delete it?
Our Thailand-Cambodia-Vietnam eSIM is a one-time-use eSIM. After being activated, it will be ready for you to use until the expiration date. If you remove eSIM from your phone, you will not be able to use it once again.
What if I need technical support during my Thailand-Cambodia-Vietnam trip?
We provide 24/7 customer support via WhatsApp (+1 657-571-1199) and email to promptly resolve any connectivity issues during your adventure.
Can I make phone calls with my eSIM Thailand Cambodia Vietnam?
These plans are data-only. You can use data-based calling apps like WhatsApp, Skype, WeChat, or Zalo for voice calls.
Is there a difference in data speed in Thailand, Cambodia, and Vietnam?
Both countries offer high-speed 5G/4G connectivity. Actual speeds depend on network coverage in your specific location and network congestion.
Can I keep my physical SIM active?
Yes. Set your primary SIM for calls/SMS, and the eSIM for mobile data only.