Please make sure that the model of the mobile phone you wish to use eSIM with supports eSIM service before purchasing. [Refer to the details page]
If you are a customer who has set up a mobile phone protection service, you must unlock the SIM card and deactivate the mobile phone protection service at your mobile carrier's customer service center or on their website in order to use the service.
After purchase, product information (QR code) will be sent via email and KakaoTalk notification. Exchanges and refunds are not possible after the QR code is sent or scanned.
To register the eSIM product you purchased on your device, you must have data available (cellular network or Wi-Fi connection mode).
If you delete the registered cellular plan after scanning the QR code, eSIM cannot be used, so please maintain the plan until use is terminated.
It can be pre-installed at the departure location and the usage period starts from the time of connection to the destination network.
If possible, turn off data roaming for your domestic telecommunications company before leaving the country. (Incorrect operation may result in roaming charges overseas.)
Depending on the communication environment of the local telecommunications company, data use may not be smooth in some areas, and depending on the model used, if the frequency band does not match that of the local telecommunications company, it may connect to 3G or 2G.
The terms and conditions of the telecommunications company that provides the service apply and product options (data provision, number of days of use, promotions, etc.) may change without prior notice.
If eSIM registration is not successful or cannot be used after registration (※ eSIM must be installed), please contact the customer service center. We cannot provide assistance after purchase, and returns/refunds are not possible. [For domestic use in Korea: 1566-9070 / When calling from overseas: 02-775-1401]
Once deleted, eSIM cannot be rescanned or recovered. If you are unable to use the service due to your own negligence or lack of understanding of the usage instructions, as above, you will not be eligible for a refund.
Exchanges and refunds are not possible after the QR code has been sent or scanned.
In case of unavailability due to local telecommunications company network maintenance, natural disaster, or other reasons, no refund will be made.
eSIM User Manual Korean [iOS/Android]: https://wmstgbb001.blob.core.windows.net/wm-images/market/KR_eSIM_Manual_iOS_AOS.pdf
eSIM User Manual English [iOS/Android]: https://wmstgbb001.blob.core.windows.net/wm-images/market/EN_eSIM_Manual_iOS_AOS.pdf
eSIM User Manual Japanese [iOS/Android]: https://wmstgbb001.blob.core.windows.net/wm-images/market/JP_eSIM_Manual_iOS_AOS_v2.pdf
STEP 1. ▶Purchase◀
- Please select the desired eSIM data capacity and usage period.
- Once your order is confirmed, a QR code will be sent to your email and mobile phone. (* If you do not receive it, please request it again through the customer center and we will send it immediately.)
*Orders placed between 9:00 and 18:00 every day will be shipped on the same day at 4-hour intervals. (Orders placed after 18:00 will be shipped the next day. Shipping time may be slightly delayed depending on the order volume.)
STEP 2. ▶Settings◀
1. Open Settings > Settings menu
- Select ‘Add Cellular Plan’.
(Additional rate plans are only available in network environments)
2. Add cellular plan > Scan QR code
- Scan the QR code image received via text or email.
- If the QR code cannot be scanned, you can set it manually.
3. Rate plan label and usage line designation
[Rate Plan Label]
- Existing SIM → Main
- eSIM (local SIM) → Auxiliary (freely set for travel, work, etc.)
[Basic line]
- Existing SIM → Calls/Messages, iMassage/FaceTime
- eSIM (local SIM) → Cellular data (switching allowed OFF)
4. Settings > Cellular > Turn off Cellular Data Toggle
- When using overseas, block cellular data conversion before use so that the existing SIM (main) cannot be used for data.
* If you turn on data roaming while selecting 'Main' as your cellular plan, roaming charges may be charged by your domestic carrier (main line).
5. APN manual setting (when data is not available)
- Settings > Cellular > Cellular Plans > Select eSIM Plan > Cellular Data Network
- In most cases it is set automatically, but sometimes you may need to change the APN information.
* Check the details page of the product you purchased for APN information.
When choosing a Thailand eSIM, it's essential to assess your expected data usage and the duration of your trip. Look for plans that align with your needs for navigation, communication, and social media. Verify the eSIM offers reliable network coverage in the specific regions of Thailand you plan to visit and ensure its activation process is straightforward. Additionally, confirm that your mobile device is eSIM-compatible before finalizing your purchase.
The Thailand Doshirak eSIM is designed to offer stable internet access primarily in major cities and popular tourist destinations across Thailand, utilizing established local network infrastructures. While coverage is generally reliable in these areas for activities like navigation and online communication, connectivity can sometimes be less robust in very remote or rural locations. It aims to keep you connected seamlessly throughout your journey.
The amount of data recommended for a Thailand eSIM largely depends on your usage habits. For light users who primarily use messaging apps and occasional browsing, 1-2 GB per week might suffice. Moderate users who frequently use social media, stream music, or make video calls may need 3-5 GB per week. For heavy users or those on longer trips, an unlimited data eSIM is often the most convenient option to ensure continuous connectivity without worrying about data caps.
A Thailand eSIM offers several advantages for international travelers. You avoid the hassle of physically swapping SIM cards, which eliminates the risk of losing your home SIM. Activation is quick and convenient through a simple QR code scan, allowing you to get online immediately upon arrival without needing to find local vendors. This seamless setup provides a comfortable and uninterrupted internet experience throughout your trip.
For many "unlimited data" eSIMs, including the Doshirak eSIM, it typically means you receive a high-speed data allowance up to a certain threshold. Once this threshold is reached, your data speed may be reduced or throttled (e.g., to 128kbps or 256kbps), but you can continue using data without additional charges. This is part of a fair usage policy designed to maintain network quality for all users. It's advisable to check the specific policy details before purchase.
The process for purchasing and activating a Doshirak eSIM for Thailand is straightforward. You can conveniently purchase your eSIM through KKday, which provides a user-friendly platform for booking travel essentials. After confirming your reservation, you will receive a QR code, typically via email or on your voucher. To activate, simply scan this QR code with your eSIM-compatible device, and you'll be ready to use internet data immediately upon arriving in Thailand.
Yes, to use a Thailand eSIM, your smartphone must be eSIM-compatible and unlocked by your carrier. Most modern flagship phones released in recent years, such as iPhone XR/XS and newer models, Samsung Galaxy S20 series and later, and Google Pixel 3 and newer, support eSIM technology. It is crucial to verify your specific device's eSIM compatibility before purchasing to ensure a smooth and successful installation.
A Thailand eSIM offers a distinct advantage over traditional local physical SIM cards primarily in convenience and ease of activation. With an eSIM, there's no need to handle a physical card, eliminating the risk of loss or damage, and no requirement to visit a local store to purchase and swap SIMs. You can activate it remotely via a QR code before or upon arrival, providing instant internet access and a more streamlined experience compared to physical SIM card usage.