“SOUTH KOREA • 3GB • 30 days” has been added to your basket. Continue shopping
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Install your Ubigi eSIM
Upon purchase, you will instantly receive your QR code by email. Hold and press or scan it to install your Ubigi eSIM.
Create your account
Click on the “Sign up” button from the email to link your eSIM to your Ubigi account, track your usage and top up on the go.
Great
Based on 30725 reviews on
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Great coverage over rural areas
Great coverage over rural areas
Wendy Woodward, 25 Jan 2026
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Simple
Very straight forward to activate. Worked as outlined.
Dan M, 25 Jan 2026
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Great value for my Japan trip
Very easy to install by following the instructions provided by Ubigi. Way cheaper than using my local contractor international roaming bolt on. Good signal where we were in Japan
Andy, 25 Jan 2026
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Good eSIM service
Easy to manage, good price, reliable in operation.
Satisfied customer, 25 Jan 2026
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Fast and effective service
Fast and effective service
Olive O, 25 Jan 2026
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Ubigi is very good
Ubigi is very good
Pari, 25 Jan 2026
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Easy and perfect
Installing the app and paying for the data card were simple and straightforward. The card activated automatically upon arrival, and extending the validity period worked flawlessly. We are very satisfied – we would gladly use Ubigi again next time.
Boris, 25 Jan 2026
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Wonderful service
Wonderful service! No issues! Happy not to pay international fees from current provider.
Lori Chambers, 25 Jan 2026
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Simple. Easy. Reliable.
Super easy and very reliable with all the locations I have visited recently. Greece, Switzerland, the UK and Mexico.
Jay, 25 Jan 2026
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All good and no problems
All good and no problems
sonia Callan, 25 Jan 2026
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Hassle free experience
Hassle free experience. Highly recommend.
Many devices can connect via one eSim. Seamless experience. Well done Ubigi.
Mannoj, 25 Jan 2026
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Easy to subscribe and set up
Easy to subscribe and set up, and good value for money!
IRENE, 25 Jan 2026
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Easy to use
Easy to use, no issues with connectivity, cost effective!!
RG USA, 25 Jan 2026
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Great e-sim for hokkaido
Simple and easy to use
customer, 25 Jan 2026
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Excellent service you maintain connect…
Excellent service you maintain connect all the time I recommend
Julia María, 25 Jan 2026
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How to check eSIM compatibility
Smartphones / Tablets:
Dial *#06#. → If an EID number appears, your device is eSIM-compatible.
Windows 10 / 11:
Press Windows+I. Go to “Network & Internet” → If you see "Cellular", your PC is eSIM-compatible.
How to check carrier unlocking
iPhone / iPad:
Go to Settings > General > About. Scroll to Carrier Lock. → If you see “No SIM restrictions”, your device is unlocked.
Android:
Go to Settings > Network & Internet > Mobile network. Disable Automatic network selection. → If multiple networks appear, your device is unlocked.
You already have an eSIM in your cart.
Each order can only include one eSIM data plan.
Current plan: SOUTH KOREA • 3GB • 30 days • US$9.00
If you choose to add a new one, the current plan will be removed. What would you like to do?