初めてのeSIM利用だったので少し不安でしたが、Jjiangの手順はとても簡単で、QRコードを読み取るだけですぐ接続できました!ソウル仁川空港に着いてすぐネットが繋がり、Googleマップやカカオタクシーも問題なく使えました。通信も安定していて、旅行中ずっとストレスフリー。SIMを差し替える必要がないのが本当に便利です。
Shown in the original Korean.
1 / 4Introducing the South Korea eSIM, which can be used immediately after receiving the QR code within 12 hours of ordering, without separate pickup. It can be easily set up without changing SIM cards, offering safer use without worries of loss or damage. If you find data roaming charges burdensome or purchasing a local SIM troublesome, eSIM is the answer! Enjoy it conveniently at a reasonable price with your current phone. Scan the QR code for immediate data connection upon arrival at the airport. Enjoy seamless internet for searching for restaurants, checking maps, and sharing on social media with a fast and stable network!

Connect Instantly, Anywhere!
Easily connect with eSIM in over 200 countries worldwide. Whether you're traveling or on a business trip, purchase and connect instantly with eSIM. Activate it easily without swapping SIM cards and enjoy unlimited internet access without data worries. Plus, with stable networks in over 200 countries and regions globally, you can stay connected without interruptions wherever you are. All plans are offered with transparent and reasonable prepaid pricing, with no hidden fees. Choose the plan that suits your needs and use it without any burden!

⚡South Korea eSIM Data Allowances
📌 7 Days 1GB / 15 Days 2GB / 30 Days 3GB / 30 Days 5GB / 30 Days 10GB / 30 Days 20GB
Network Provider: KT
📌 Unlimited LTE - 3GB per day, then unlimited at 5MBPS - 10 Days / 30 Days
Network Provider: LGU+
Operating Hours:
Customer Service Hours
Mon-Fri 9 AM - 6 PM
Sat 9 AM - 2 PM
Sun, Public Holidays: Closed
Customer Service Contact
070-7954-6239
sales@caresim.co.kr
Please make sure to check if your current phone is an eSIM-compatible model before purchasing. Check compatibility now
After purchase, the voucher including the QR code will be sent to the email address provided in your purchase information.
If you cannot find the voucher even after the reservation is confirmed, we recommend checking your spam folder first.
A temporary error may prevent you from receiving the email. In case of such an issue, please contact customer support (070-7954-6239/sales@caresim.co.kr).
We recommend installing it in Korea before departure. (Exceptions: Asianlink, Global Discover, Thailand eSIM)
Whenever possible, please turn OFF data roaming with your current domestic carrier before departing. (Incorrect settings may result in overseas roaming charges)
This product does not support calls or text messages, and is for data network, hotspot, and tethering only.
Data usage will be unavailable once all the provided data is exhausted.
The network carrier providing the service may change without prior notice, and cancellations or refunds are not possible due to this change.
eSIM products can only be registered and used on the device where they were first registered. Once registered, they cannot be re-registered on another device.
Refunds are not possible after the eSIM has been installed and activated.
The usage period begins from the moment the eSIM is activated. It is calculated based on a 24-hour cycle. (Based on 1 day of usage / If activated on March 1, 2025 at 13:00: Ends on March 2, 2025 at 12:59:59)
Since the device must be connected to a network for the initial eSIM registration, please register it in advance in Korea before departing or use free Wi-Fi upon arrival at your destination. (Asianlink, Global Discover, and Thailand eSIMs are activated immediately upon installation, so we recommend installing them on the day of departure)
Even if you experience difficulties using the eSIM or if it fails to connect, do not delete the eSIM, and please contact customer support (070-7954-6239/sales@caresim.co.kr).
If you have a mobile phone protection service enabled, you must unlock the USIM and disable the mobile phone protection service through your carrier's customer service or website to use it.
* Cancellation and refund requests are reviewed under the supplier’s policy. Submitting a request does not guarantee a refund.
$3.20 and up₩4,300
Price of the lowest option for a quantity of 1. The amount varies by option and date; the final price appears once you choose them. See what's included