“SLOVAKIA • 3GB • 15 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 49098 reviews on
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It is ok for visiting Japan
It is ok for visiting Japan
Georgi Atanasov, 20 Oct 2026
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Overall good coonectivity.
Overall good coonectivity.
Would rather be notified when only a quarter of my data reserve remained.
customer, 20 Oct 2026
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So easy to use and great value
So easy to use and great value, an excellent service.
Katie Flemington, 20 Oct 2026
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It was hard to set up but hopefully it…
It was hard to set up but hopefully it will now be of benefit
customer, 20 Oct 2026
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Pretty good reception just about…
Pretty good reception just about everywhere.
Alicia Tweed, 20 Oct 2026
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Great service- used in Japan for 10…
Great service- used in Japan for 10 days and never had any problems
customer, 20 Oct 2026
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Easy to navigate
Easy to navigate, simple to install and set up.
customer, 20 Oct 2026
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Network was very good
Network was very good. Easy installation and app was simple to use.
customer, 20 Oct 2026
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Perfect service
Perfect service in Bulgaria.
4/10 Gb for 7 days.
Litle higher price.
Tino Aleksov / N. Mecedonia, 19 Oct 2026
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Simple and perfect
Simple and perfect
customer, 19 Oct 2026
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Great e-sim
We had excellent and continuous network connection throughout Korea and Japan. Ubigi made it super easy to set up, was reasonably priced and functioned flawlessly. Will definitely be using it again.
Brian S., 19 Oct 2026
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Easy to used
Easy to use and loved how it went from one country to the next
wendy klein, 19 Oct 2026
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Good experience
My experience with this international eSIM was excellent. It was convenient, easy to use, and made staying connected while travelling simple and hassle-free. I’m very happy with the service and would gladly use it again.
Saad Hussein, 19 Oct 2026
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Worked as expected
Worked as expected once landed in the country (Paraguay). Thanks as for a reasonable price the offered service has great value nowdays, would have had lots of complications without it.
Claudio, 19 Oct 2026
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Worked better than anticipated!
Honestly worked better than I expected! I was riding motorcycle through remote areas between cities/villages for 8 days and was out of cell service maybe a handful of times! Worked better than the WiFi in the hotels! It was super easy to install — I will use it again next time!
Susan, 19 Oct 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: SLOVAKIA • 3GB • 15 days • US$5.00
If you choose to add a new one, the current plan will be removed. What would you like to do?