Thailand eSIM 2026 - AIS dtac 5G Unlimited with Calls

Complete Thailand eSIM guide for tourists: compare best eSIM for Thailand like AIS, dtac, TrueMove H, unlimited data plans + call, how to check compatibility, activate easily on Trip.com with new user discount.

Which eSIM Is Best for Thailand? 2026 eSIM Plans, Prices & Deals

Trip.com offers a wide range of Thailand eSIM options from top local carriers, with flexible data, validity, and pricing to suit every traveler. Most options include local call minutes, so you can easily book tours, coordinate with hotels, or call local services without extra fees. Also, do not forget to claim the coupon!

Thailand eSIM vs Physical SIM vs WiFi vs Data Roaming

Wondering which connectivity option is best for your Thailand trip? Here’s a side-by-side comparison:

Verdict: eSIM is the best choice for most travelers to Thailand, offering convenience, reliability, and affordability that other options can’t match.

How to Buy, Activate & Use Thailand eSIM on Trip.com

Step 1: Purchase your eSIM

1. Open the Trip.com app or website
2. Go to the eSIM section and search for Thailand
3. Select your preferred plan (carrier, data size, validity)
4. Complete payment — eSIM details are sent instantly to your account and email

Step 2: Activate your eSIM

In-app installation (for newer phones)

1. Go to your order in Trip.com
2. Tap Install eSIM
3. Follow on-screen instructions
4. No QR code required — fully automatic setup

QR code method (for all compatible phones)

1. Locate your eSIM QR code in order details
2. Go to Settings > Mobile Data > Add eSIM
3. Scan the QR code
4. Download and install the eSIM profile

Step 3: Use in Thailand

1. Turn on Data Roaming in your settings
2. Select the local carrier (AIS / dtac / TrueMove H)
3. Your phone will connect automatically to 4G/5G
4. Track data usage anytime in the Trip.com app

Trip.com Thailand eSIM Latest Reviews

Thousands of travelers have trusted Trip.com for their Thailand eSIM needs, with consistent praise for:

• Easy activation: No physical SIM swap, instant setup before departure.
• Reliable coverage: Nationwide 5G/4G access in Bangkok, Phuket, Chiang Mai, and remote islands.
• Flexible plans: Options for daily data, total data, and unlimited packages for every trip length.
• 24/7 support: Dedicated customer service to resolve any connectivity issues quickly.

How to Use Your Thailand eSIM

Trip.com makes buying and activating your Thailand eSIM easier than ever, with 2 convenient setup options:

In-App Installation (Latest Devices)

Most modern smartphones (released 2020+) support direct in-app eSIM installation on Trip.com, no QR code required:

1. Purchase your Thailand eSIM plan on the Trip.com app.
2. Go to your order details and select “Install eSIM”.
3. Follow the in-app prompts to automatically add the eSIM to your device.
4. Turn on roaming and connect to the local network upon arrival in Thailand.

QR Code Activation (All Compatible Devices)

For all eSIM-compatible phones, the QR code method works universally:

1. After purchase, you’ll receive a QR code via email and your Trip.com account.
2. On your phone, go to Settings > Mobile Network > Add eSIM.
3. Scan the QR code to download the eSIM profile.
4. Enable roaming and select the local carrier (AIS/Dtac) to activate service.

How to Check If Your Phone Supports Thailand eSIM

You can verify compatibility in two quick, simple steps.

1. Check EID number (eSIM capability)

Open your phone’s dial pad and enter:*#06#

If an EID number appears, your device supports eSIM.
If no EID is shown, eSIM is not supported.

2. Check if your phone is network unlocked

• iPhone: Go to Settings > General > About → find Carrier Lock → must show “No SIM restrictions”
• Android: Go to Settings > Mobile Network → check if you can manually select other networks

3. What devices are compatible with eSIM?

Most devices released in 2020 or later support eSIM, including:

• iPhone XS / XR / 11 and all newer models
• Samsung Galaxy S20, S21, S22, S23, S24, Z Fold / Z Flip series
• Google Pixel 3 and newer
• Recent high-end models from OnePlus, Xiaomi, OPPO, etc.

Top 3 Thailand eSIM Providers: AIS vs Dtac vs TrueMove H

Thailand’s three most reliable and widely used carriers for tourists are AIS, dtac, and TrueMove H, all available on Trip.com.

• AIS is Thailand’s largest and most trusted network, with the best nationwide coverage including remote areas and islands, fast 5G in major cities and tourist zones, and plans that include both data and local calls, making it ideal for travelers who want consistent connectivity everywhere.
• Dtac offers strong coverage in cities and popular tourist areas, reliable 4G/5G speeds, and great value for short to mid-length trips, with data + call packages that suit budget-conscious visitors staying in urban and beach destinations.
• TrueMove H provides steady coverage in most urban and tourist spots, affordable plans for light to medium internet use, and is a practical choice for short stays or casual browsing without heavy data demands.

See More Cheap Thailand eSIM Plans...

How Much Data Do You Need in Thailand?

Choose based on your daily usage — Trip.com supports both daily plans and total data packages, so you can pick what fits you best.

Available options:

• Daily plans: Pay per day, use only what you need
• Total data plans: Fixed data bundle for your entire trip
• Validity from 1 day up to 30 days

[10% Off] What are Best Hotels for Thailand

Check the following Bangkok accommodations with 10% Off: