Travel smarter with eSIM square.
eSIM is a SIM built into the phone itself, and is used by rewriting the profile.
By reading the QR code that contains the eSIM information of the target country, you can use the Internet overseas.
Features of eSIM square
Easy to use, 2 steps.
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1. Purchase an eSIM
You can purchase eSIMs on this website (registration is required to make a purchase).
Please select the country in which you wish to use the eSIM and purchase the plan that best suits your needs. -
2. Device setup
Scan the QR code for profile setup or manually install the eSIM.
Turn on the eSIM in the settings screen to start communication.
eSIM square provides a reasonable everyday communication environment.
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Always connected to the Internet
Access the Internet with your own smartphone even when traveling or on the move. You can use the same Internet environment overseas as in Japan.
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Easy to recharge
When you run out of data capacity, you can recharge your phone as much as you need.
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As a sub line
You may want to use a large amount of data just for today, or for overseas or business trips. You can also use it as a temporary data connection.
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24-hour chat support
You can ask for support consultation on how to set up and troubleshoot via Japanese chat.
Product List
We offer not only 1 country, but also Round Trip Plan which is convenient for round trip travel.
Single Country eSIM
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- Asia
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- Japan
- Korea
- Taiwan
- China
- Hong Kong SAR
- Hong Kong Macau
- India
- Thailand
- Vietnam
- Bhutan
- Indonesia
- Kyrghizistan
- Macau SAR
- Malaysia
- Nepal
- Pakistan
- Philippines
- Singapore
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- North America
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- Antigua and Barbuda
- Canada
- Hawaii
- USA
- Bermuda
- Bonaire Sint Eustatius and Saba
- British Virgin Islands
- Cayman Islands
- Dominican Republic
- El Salvador
- Groenland
- Guam
- Mexico
- Puerto Rico
- Saint Martin
- U.S. Virgin Islands
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- South America
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- Brazil
- Argentina
- Bolivia
- Columbia
- Ecuador
- French Guiana
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- Europe
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- France
- Germany
- Italy
- Spain
- United Kingdom
- Austria
- Belgium
- Bosnia
- Bulgaria
- Croatia
- Cyprus
- Czech
- Denmark
- Estonia
- Faroe Islands
- Finland
- Greece
- Hungary
- Iceland
- Ireland
- Isle of Man
- Latvia
- Lithuania
- Luxembourg
- Malta
- Netherlands
- Norway
- Poland
- Portugal
- Romania
- Russia
- San Marino
- Slovakia
- Slovenia
- Sweden
- Switzerland
- Ukraine
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- Middle East
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- Afghanistan
- Israel
- Kuwait
- Oman
- Palestinian Territories
- Qatar
- Saudi Arabia
- Turkey
- United Arab Emirates
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- Oceania
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- Australia
- Fiji
- French Polynesia
- New Caledonia
- New Zealand
- Samoa
- Vanuatu
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- Africa
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- Egypt
- South Africa
- Angola
- Benin
- Burkina Faso
- Cameroon
- Cape Verde
- Central African Republic
- Congo
- Ivory Coast
- Ghana
- Guinea
- Mauritania
- Morocco
- Nigeria
- Réunion
- Rwanda
- Senegal
- Sierra Leone
- South Sudan
- Tunisia
- Zimbabwe
Multiple Countries eSIM
- Tour around America and Japan
- Asia
- Best Asia
- Regional Americas
- Caribbean
- Best Caribbean
- Best Latin America
- EU28 PLUS
- Europe
- Eastern Europe
- USA and EU28 PLUS
- Scandinavia and Baltic
- Middle East
- Best Middle East
- Oceania
- Africa
- Best Africa
- Global
Precautions
About purchase
- 1.Please confirm in advance that your device is compatible with eSIM.
- 2.SIM-locked handsets cannot be used. Please check with your cell phone company.
About the use of eSIM
- 1.Liability for connection problems with the eSIM (hereinafter referred to as "connection problems") shall be limited to problems with the eSIM activation code provided by the Company. In the event of connection failures caused by the specifications, operation, settings, etc. of the user's equipment, or connection failures caused by the user's usage environment, our liability shall be limited to direct and ordinary damages.
- 2.The Company shall not be liable for any failure of the user's equipment during use.
- 3.Even within the service area of the Service, there are places where connection may be difficult due to local telecommunication conditions, etc., and the Service may be unavailable due to the convenience of telecommunication carriers, etc.
- 4.Once an eSIM profile is deleted, it cannot be reinstalled.