| Data Usage Specifications | Unlimited data, 1GB, 2GB, 3GB, 5GB, 7GB, 10GB |
| Transmission Specifications | 4G |
| Signal Coverage Area | Singapore |
| Mobile Carrier | Singtel |
| Supported Sizes | eSIM |
| Hotspot Sharing | Available |
| Supported Frequencies(4G) | B1(2100 MHz) |
| Excludes | Voice calls, Texts |
| Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot |
Please make sure to check whether the model of the mobile phone you want to use eSIM supports eSIM service before purchasing. [Refer to the detailed page]
If you are a customer who has a mobile phone protection service set up, you must cancel the SIM lock and mobile phone protection service at the customer service center or homepage of the telecommunication company you are using to use it.
After purchase, product information (QR code) will be sent via e-mail or AlimTalk, and exchanges and refunds are not possible after the QR code is sent or scanned.
In order to register the purchased eSIM product to the device, data must be available. (Cellular network or wifi connection mode)
If you delete the registered cellular plan after QR scanning, eSIM cannot be used, so please keep the plan until the end of use.
It can be installed in advance at the departure point, and the usage date starts from the point of connecting to the destination network.
If possible, change the data roaming of the domestic carrier you are using to OFF before departure. (Incorrect operation may result in roaming charges abroad.)
Depending on the communication environment of the local carrier, data usage may not be smooth in some areas, and depending on the model used, you may be connected to 3G or 2G if it does not match the frequency band of the local carrier.
Product options (data amount, days of use, promotions, etc.) may change without prior notice in accordance with the terms and conditions of the provider.
If eSIM is not registered or cannot be used after registration (※ eSIM must be installed), please contact customer service. We cannot help you after returning, and returns/refunds are not available. [In Korea: 1566-9070 / When calling from abroad: 02-775-1401]
Once deleted, eSIM cannot be rescanned or restored. As above, refunds are not possible if you are unable to use the service due to your negligence or lack of familiarity with the user guide.
Exchanges and refunds are not possible after the QR code is sent or scanned.
No refunds will be made if service is unavailable due to network maintenance by the local carrier, natural disasters, or other reasons.
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. ▶Buy ◀
- Please select the desired eSIM data capacity and usage period.
- When your order is confirmed, a QR code will be sent to your email and mobile phone. (* If you do not receive it, please request again through the customer center and we will send it immediately)
*Orders placed between 09:00 and 18:00 will be shipped the same day every 4 hours. (If you order after 18:00, it will be shipped the next day. Depending on the amount of orders, the delivery time may be slightly delayed.)
STEP 2. ▶Setting◀
1. Settings > Open the Cerulean menu
- Select 'Add Cellular Plan'.
(A rate plan can be added only in a network environment)
2. Add Cellular Plan > Scan QR Code
- Scan the QR code image received by text and email.
- If you cannot scan the QR code, you can set it manually.
3. Designation of rate plan label and line used
[Plan Label]
- Existing SIM → Main
- eSIM (Local SIM) → Secondary (freely set for travel, work, etc.)
[default line]
- Existing SIM → Call/Message, iMassage/FaceTime
- eSIM (Local SIM) → Cellular Data (Switching Allowed OFF)
4. Settings > Cellular > Turn off Cellular Data Toggle
- When using overseas, use after blocking cellular data conversion so that the existing SIM (main) cannot be used as data
* If data roaming is turned on while the cellular rate plan is selected as 'main', roaming charges may be charged from the domestic carrier (main line).
5. APN manual setting (when data is unavailable)
- Settings > Cellular > Cellular plan > Select eSIM plan > Cellular data network
- In most cases, it is set automatically, but in some cases, you may need to change the APN information.
* For APN information, check the purchased product detail page
Yes, eSIM technology is fully supported and available for use in Singapore. Travelers can legally utilize eSIMs to access mobile data services, providing a convenient and modern alternative to traditional physical SIM cards for connectivity throughout their stay.
Yes, tourists visiting Singapore are fully eligible to use an eSIM. There are no special residency requirements, making it an ideal and hassle-free option for international visitors to secure immediate internet access upon arrival without needing local registration procedures.
Yes, many Singapore eSIM options, including this product, offer unlimited data plans. These plans provide continuous internet access without concerns about data caps, which is particularly useful for seamless navigation, communication, and sharing experiences on social media throughout your trip.
Activating a Singapore eSIM is a straightforward process. Typically, after your reservation is confirmed, you will receive a QR code via email. Simply scan this QR code with your eSIM-compatible device to install the profile. Once installed, your eSIM can usually be activated and ready for use within 24 hours or immediately upon arrival in Singapore.
Travelers can conveniently purchase an eSIM for Singapore through various online platforms. For instance, booking through KKday offers the advantage of purchasing your eSIM in advance of your trip, allowing for quick activation upon arrival and eliminating the need to search for local vendors or navigate language differences. This ensures immediate internet access for your travels.
A Singapore eSIM is highly suitable for international travelers due to its inherent convenience and digital nature. It eliminates the need to physically swap SIM cards, reducing the risk of losing your original SIM. Furthermore, an eSIM allows for rapid activation, often providing immediate internet access upon landing, which is essential for navigation and staying connected in an unfamiliar city.
The practical advantages of using an eSIM include not needing to replace your existing physical SIM card, thus preventing its loss. You can maintain your primary SIM for calls and texts while dedicating the eSIM solely to data services. Installation is typically via a simple QR code scan, and activation is quick, allowing for immediate internet use upon arrival without visiting a physical store.
Yes, a Singapore eSIM is specifically designed for immediate usability upon arrival. After you purchase and install your eSIM profile by scanning the provided QR code, it can typically be activated and ready to provide internet data within 24 hours of purchase, ensuring you have reliable connectivity as soon as you land in Singapore.