How to Install eSIM in Thailand – Guide For All Devices

How to activate eSIM on iPhone, Samsung, and Google Pixel phones, etc. is easy. Everything starts with an eSIM QR Code, a compatible device, and a Wi-Fi connection, and then 2 – 3 minutes of setup. Let’s figure it out with us now.

Eveything need to know about activation eSIM Travel in

  • Basically, an eSIM can be installed automatically by scanning the QR Code or manually. Although we guide you through both, the former is highly recommended.
  • For a travel eSIM, you should install the eSIM on your device before departure and activate it upon landing in your destination.
  • The setup will take you around 2 or 3 minutes only.
  • If you are using a data eSIM for China, and you use a 5G smartphone, please disable 5G on the eSIM and switch to 4G / LTE.
  • Turn off your Cellular Data Switch to avoid the roaming fee.
    • The latest iPhones such as the iPhone 15, 16, or 17 series, using an eSIM is one of the most convenient and cost-effective ways to enjoy fast internet in Vietnam or any other country. However, not every iPhone will work with eSIM.
    • If you bought your iPhone under an installment plan or monthly contract from carriers such as T-Mobile, AT&T, Verizon, Vodafone, or similar, your phone might be network-locked. as carriers often lock phones until they are fully paid off to prevent fraud and promote customer loyalty. To check if your iPhone is locked, go to Settings > General > About and look for Carrier Lock; if it says "SIM locked," you'll need to request an unlock from your carrier.

    CHECK THE COMPATIBILITY OF YOUR DEVICE

    Check if your device is compatible with eSIM technology. Select your device brand below to see the full list of compatible models.
    • iPhone 17 Seres
    • iPhone 16 Series
    • iPhone 15 Series
    • iPhone 14 Series
    • iPhone 13 Pro Max
    • iPhone 13 Pro
    • iPhone 13
    • iPhone 13 mini
    • iPhone 12 Pro Max
    • iPhone 12 Pro
    • iPhone 12
    • iPhone 12 mini
    • iPhone SE (2022)
    • iPhone 11 Pro Max
    • iPhone 11 Pro
    • iPhone 11
    • iPhone XS Max
    • iPhone XS
    • iPhone XR
    APPLE
    • Galaxy S26 Series
    • Galaxy S25 Series
    • Galaxy S24 Series
    • Galaxy S23 Ultra
    • Galaxy S23+
    • Galaxy S23
    • Galaxy S22 Ultra
    • Galaxy S22+
    • Galaxy S22
    • Galaxy S21 Ultra 5G
    • Galaxy S21+ 5G
    • Galaxy S21 5G
    • Galaxy S21 FE 5G
    • Galaxy S20 Ultra
    • Galaxy S20+
    • Galaxy S20
    • Galaxy Z Fold5
    • Galaxy Z Fold4
    • Galaxy Z Fold3 5G
    • Galaxy Z Flip5
    • Galaxy Z Flip4
    • Galaxy Z Flip3 5G
    SAMSUNG
    • Google Pixel 9 Series
    • Google Pixel 8 Series
    • Google Pixel 7a
    • Google Pixel 7 Pro
    • Google Pixel 7
    • Google Pixel 6a
    • Google Pixel 6 Pro
    • Google Pixel 6
    • Google Pixel 5a 5G
    • Google Pixel 5
    • Google Pixel 4a 5G
    • Google Pixel 4a
    • Google Pixel 4 XL
    • Google Pixel 4
    • Google Pixel 3a XL
    • Google Pixel 3a
    • Google Pixel 3 XL
    • Google Pixel 3
    GOOGLE PIXEL
    • Motorola Razr 2023
    • Motorola Razr+
    • Motorola Edge+
    • Motorola Edge 40 Pro
    • Motorola G84
    • Oppo Find X5 Pro
    • Oppo Find X5
    • Oppo Find X3 Pro
    • Oppo Reno 9A
    • Oppo A55s 5G
    • Xiaomi 13T Pro
    • Xiaomi 13T
    • Xiaomi 13 Pro
    • Xiaomi 13
    • Xiaomi 12T Pro
    • Huawei P40 Pro
    • Huawei P40
    • Honor Magic 5 Pro
    • Honor Magic 4 Pro
    • Sony Xperia 10 V
    • Sony Xperia 1 V
    OTHERS

    How to Install & Activate an eSIM on Your Smartphone

    Follow the steps below to install your eSIM. Each step is supported by a visual image to help you set up quickly and correctly.

    Method 1: Install via QR Code

    1

    Get QR Code & Connect to Wi-Fi

    Receive the QR code from your carrier (email or print) and connect your iPhone to Wi-Fi.

    iPhone QR code received via email and Wi-Fi connection screen
    2

    Open eSIM Settings

    Go to Settings → Cellular / Mobile Data → Add eSIM.

    iPhone Settings showing Cellular menu with Add eSIM option
    3

    Scan QR Code

    Tap Use a QR Code (or scan from Photos on newer iOS) and scan the code.

    iPhone camera scanning eSIM QR code
    4

    Activate eSIM

    Tap Continue and follow on-screen instructions to finish activation.

    iPhone eSIM activation confirmation screen

    Method 2: Manual Installation

    1

    Tap Add eSIM → Enter Details Manually.

    iPhone Add eSIM screen with Enter Details Manually option
    2

    Enter the SM-DP+ address and Activation Code provided by your carrier.

    iPhone manual eSIM entry form with SM-DP+ address and activation code fields

    After Installation

    • Rename eSIM: Settings → Cellular → select eSIM → label (e.g. Travel eSIM).
    • Set Default Line: Choose eSIM for Cellular Data if needed.
    • Enable Data Roaming: Turn on Data Roaming for travel eSIMs.
    1

    Connect to Wi-Fi

    Ensure a stable Wi-Fi connection.

    Samsung phone Wi-Fi connection screen
    2

    Open Settings

    Go to Settings → Connections → SIM card manager.

    Samsung Settings showing Connections and SIM card manager menu
    3

    Add eSIM

    Tap Add mobile plan / Add eSIM.

    Samsung SIM card manager with Add mobile plan option
    4

    Choose Installation Method

    Scan QR Code: Scan the QR from your carrier.
    Manual Entry: Enter the activation code (SM-DP+).

    Samsung eSIM installation options showing QR code scan and manual entry
    5

    Confirm & Activate

    Follow prompts and wait for download to complete.

    Samsung eSIM download and activation confirmation screen
    6

    Set as Mobile Data (Optional)

    In SIM manager, select the new eSIM as Mobile data.

    Samsung SIM manager showing eSIM selected as mobile data
    1

    Open Settings.

    Google Pixel Settings app icon and home screen
    2

    Go to Network & internet → SIMs (or + Add SIM).

    Google Pixel Network & internet settings with SIMs menu
    3

    Tap Download eSIM / Download a SIM instead?

    Google Pixel Download eSIM option in SIMs menu
    4

    Scan QR Code or Enter code manually if required.

    Google Pixel QR code scanner for eSIM installation
    5

    Tap Download to install.

    Google Pixel eSIM download confirmation button
    6

    Label eSIM (e.g. Thailand eSIM).

    Google Pixel eSIM label customization screen

    Activation

    1

    Turn ON the new eSIM in SIMs.

    2

    Set it as Default for Mobile data.

    3

    Enable Data Roaming for the eSIM.

    4

    Restart the phone (optional).

    Frequently Asked Questions (FAQ) – eSIM Installation in Thailand

    Most newer smartphones support eSIM, including iPhone XS or later, Samsung Galaxy S20 or later, and Google Pixel 3 or later. Always check your device model before purchase.

    Yes. A stable Wi-Fi connection is required to download and install the eSIM profile.

    You can install the eSIM before arriving in Thailand, but it's recommended to activate or turn on data roaming only after landing to avoid early usage.

    Yes. Most eSIM-compatible phones support Dual SIM, allowing you to keep your physical SIM for calls while using the eSIM for mobile data.

    No. You can keep your physical SIM in your phone. Just select the eSIM as your mobile data line.

    Yes. You must turn on Data Roaming for the eSIM to connect to local networks in Thailand. This will not affect your primary SIM.

    In most cases, yes. If it doesn't connect right away, try restarting your phone or checking that the eSIM is selected for mobile data.

    If scanning fails:

    • Make sure the QR code is clear and not already used
    • Try installing manually using the SM-DP+ details
    • Contact customer support if the issue continues

    No. Most eSIM QR codes are one-time use only and cannot be transferred to another device once installed.