Data Usage Specifications | Unlimited data, 500MB, 1GB, 2GB, 3GB, 4GB, 5GB |
Transmission Specifications | 4G |
Signal Coverage Area | United States(Including Alaska and Hawaii, excluding Guam and Saipan Island) |
Mobile Carrier | AT&T / T-Mobile |
Supported Sizes | eSIM |
Hotspot Sharing | Unavailable |
Supported Frequencies(4G) | B2(1900 MHz), B5(850 MHz), B17(700b MHz) |
Excludes | Voice calls, Texts |
Not Supported | SIM-locked device, Carrier-customized device, Mobile hotspot |
Reminders | ・Data limit: Speed decreases after 500MB/1GB/2GB/3GB/4GB/5GB per day (unlimited capacity) ・Validity Period: eSIM validity period is 6 months. It can be used within the selected date after eSIM registration. |
Network Type | Roaming |
After confirming your order, a QR code will be sent to your email.
Please make sure that your current smartphone supports eSIM before purchasing. This product cannot be refunded after the eSIM QR code is sent.
Only iOS 12.1 version is supported, and iPhones purchased in mainland China, Hong Kong, and Macau do not support eSIM.
Since there is no function to recognize the QR code within the mobile phone, please make sure to print the voucher or register the QR code in advance.
You can use it right away after registering eSIM. Since you must be connected to Wi-Fi or wireless data to register, you must register before departure or use the free Wi-Fi at the airport.
eSIM is available for use immediately upon registration. Please check the date of use and register eSIM on the date of use.
Usage/Registration Procedure: iOS [Korean] https://asset.usimsa.com/kkday/manual/ios-esim-ko.pdf
Usage/Registration Procedure: Android [Korean] https://asset.usimsa.com/kkday/manual/android-esim-ko.pdf
Days Calculation Method: 24-hour system (3-day pass opens (activates) at 10:00 AM on September 1, ends at 9:59 AM on September 4)
Please refer to the information on Apple's official website .
Please note in advance that if the installed eSIM is deleted, it cannot be reinstalled and you will need to make a new reservation.