eSIM is a service that allows you to use Internet communications in various countries and regions by setting profile information on the SIM built into your smartphone. Please note that eSIM cannot be used with SIM-free or SIM-unlocked eSIM-enabled smartphones. Please note that this service is not available for use with SIM-free or SIM unlocked eSIM compatible smartphones.

First, select the country or region you will be using. Next, go to the purchase page and select a plan based on the amount of data you need and the period of time you will be using the service. For example, a plan with 50GB of data and a usage period of 30 days will allow you to use approximately 1.6GB of data per day.

We offer excursion packages. Please purchase the following excursion plans according to the country or region you wish to visit. Round trip to Asia & Oceania A Round trip to Asia & Oceania B Round trip to Europe Round trip to the World A Round trip to the World B

1. Please confirm that your smartphone is compatible with eSIM. 2. After purchase, you will receive an email with the necessary information for setup in about 5 minutes. Follow the instructions in the World eSIM application or email to complete the setup. Once the setup is complete, you will be able to use the Internet by connecting in your country or region.

We will send you the information necessary to set up your eSIM (profile information) by e-mail within about 5 minutes of your purchase. The setup process will take about 5 minutes, and you will be able to use your eSIM immediately after the setup is complete. Please note that this service is not available for other country plans than the one you purchased.

Your subscription period begins upon completion of the activation process in your country or region of use.

You can check your purchase details and history in the “Order History” section of your World eSIM application or website account.

We will send you the profile information (QR code) via email in about 5 minutes after your purchase. Please scan the QR code with your smartphone and follow the instructions to complete the setup. Please refer to each setting page for details.
iOS - Easy App Setup
iOS - QR Code Setup
Android - Easy App Setup
Android - QR Code Setup

A stable Internet connection is required for eSIM setup. Setup timing depends on the plan you have signed up for. For details, please refer to the details of the plan you purchased in My eSIM.

You can check the amount of data you have used in real time with the World eSIM application. Some plans do not allow you to check the amount of data you have used, so please check directly on your smartphone. Click here to check the amount of data communications you have used with your smartphone.

Even if you are still within the purchased usage period, your data communication will be stopped or the speed will be limited. You can access My Page from the World eSIM application or website to recharge additional data capacity within your usage period.

After your usage period has expired, you will not be able to use your data even if you have remaining data capacity. If you have exceeded your usage period, please purchase another plan with the required usage period and data allowance.

If you are still within your usage period, you can access My Page from the World eSIM application or website to add additional charges. After your usage period has expired, you will not be able to use your data even if you have remaining data capacity. If you have exceeded your usage period, please purchase another plan with the required usage period and data allowance.

Plans cannot be changed after purchase. Please make sure that you have selected the correct country and region, data capacity, and usage period prior to purchase.
Direct Installation (App) You can easily install (add an eSIM) by following the steps below in the World eSIM App. My eSIM→Purchased Plan Details→Install eSIM (iOS or Android device)→Tap “Install eSIM” in the Direct tab. In that case, you can easily install (add an eSIM) by following the steps below in the QR Code tab.

When you run out of the data capacity you are using, it will automatically switch to the additional charged data capacity.
I did not receive an email with my profile information after my purchase. We will send you an email from “[email protected]” around 5 minutes after you place your order. If you do not receive it, please check your spam folder. If you do not receive the email, you can still use the QR code in My eSIM or the application to easily set up your eSIM. If your registered address is incorrect or you cannot find the e-mail, please contact us.

If you delete the eSIM, you will not be able to reinstall it and will not be able to use it. Please be sure not to delete the eSIM until the end date of use. If you have deleted the eSIM by mistake, please purchase it again.

If the message “eSIM could not be set up” is displayed, or if the installation does not work, please restart your smartphone (power OFF→ON) and try reading the QR code again or installing it manually.

Activation (start of usage period) is completed when the installed eSIM is connected to a supported network in the country of use. If the eSIM is installed in a country other than the country of use, an activation error may be displayed. Please make sure that the installation has been completed successfully.

Please check [Mobile Communication] / [Mobile Data Communication].
Mobile Communication] (Please select the eSIM you wish to activate.)
Is the line set to “On”?
Please check if data roaming is turned on.
Mobile Data Communication
Is the line switched to a line other than the main line?
Is the permission to switch mobile data communication set to “Off”?
If you cannot use the Internet
If the Internet cannot be used after the profile installation is completed
APN information is required for Internet communication. If you are using a low-cost SIM (UQmobile, IIJmio, mineo, LINEMO, etc.), communication is not possible with the “APN configuration profile” installed.
Example for iPhone “Settings” > “General” > “VPN and Device Management” > Tap “Configuration Profile to be deleted” > Tap “Delete Profile
After the profile is deleted, it can be reinstalled from various carrier websites.

No. Once you have purchased the service, it cannot be canceled or refunded, regardless of whether or not you plan to use the service.

No. If you accidentally delete your eSIM, you will not be able to receive a cancellation refund. Please be careful not to delete the eSIM, as you will need to purchase it again.

No, you cannot cancel or get a refund after purchase. Please make sure to confirm in advance that the phone is eSIM compatible before purchasing.

No, we cannot cancel or refund after purchase. Please make sure that there are no errors in your application before purchasing.

Voice calls using a phone number are not available with eSIM. Please use internet call functions such as LINE and Instagram, which are available via internet communication.

You can request a receipt by going to “Account” > “Order History” > “Order Details” on the app or website. A receipt will be sent to your registered email address within 10 minutes of your request.

Payment is accepted by credit card only. We also accept debit cards with credit card brands. Supported brands: Visa, Master, JCB, AmericanExpress, Discover, Diners

Yes, tethering is available. Tethering is available. Please click here for details.
In case of iOS
1) Go to “Settings” from the home screen and tap “Mobile Communications”.
2) Confirm that “Mobile Data Communication” is set to the eSIM data plan, and tap “Internet Sharing”. 3) Turn on “Allow others to connect”.
(3) Turn on “Allow others to connect”. You can set a password from this screen.
Tap “Turn on Wi-Fi” to use tethering as WiFi.
In case of Android
1) Open the “Settings” screen of the device.
② Go to “Network and Internet”.
③ Tap “Access Point and Tethering”.
④ Tap “WiFi Access Point” and turn on “WiFi Access Point”.
If the tethering setting is disabled and the setting operation is not available, you need to register APN.