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Based on 29022 reviews on
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Easy to install.
Easy to install.
Tracy Lorelli, 26 Nov 2025
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Ubigi is fantastic!
Ubigi is easy to install, easy to top up and has great coverage, I never dropped one call and the connection speed for browsing was fantastic.
Robert Cook, 26 Nov 2025
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Ubigi worked everywhere
Ubigi worked everywhere! and fast! I highly recommend their service!
Elisa Dorn customer, 26 Nov 2025
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I got uninterrupted hassle free…
I got uninterrupted hassle free connectivity.
customer, 26 Nov 2025
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Easy and quick to use.
Easy and quick to use.
Nathaniel, 26 Nov 2025
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It worked from the beginning when being…
It worked from the beginning when being in the contracted region.
Never has any outages, very happy.
Thorsten Nedderhut, 26 Nov 2025
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I recently completed a 10 day trip to Japan
I recently completed a 10 day trip to Tokyo, Osaka and Kyoto during which time I used Ubigi eSIM.
The eSIM worked flawlesslessly with no issues at any of those places, including a trip that I made to Hakone and Mt. Fuji. It was my first time using an eSIM, and to be honest I was a bit unsure (before the purchase) on how it would work, let alone how to even set it up on my iPhone.
I'm so pleased that I chose Ubigi - the set up was simple and straightforward, and I knew exactly how much data I was using by simply looking it up on the Ubigi App. Their data plans were somewhat limited and maybe slightly expensive compared to others providers, but they claim to be using Japan's best network to provide 5G services.
Overall I would highly recommend Ubigi.
First time Ubigi eSIM user, 26 Nov 2025
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This is my second time using Ubigi…
This is my second time using Ubigi while in Tokyo. Always had connection, and have had zero issues either time! Easy to turn on and use once landing in Tokyo.
Quinn, 26 Nov 2025
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It works
It works! Easy to install
Walter, 26 Nov 2025
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user friendly
user friendly
KTcustomer, 26 Nov 2025
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Top!
Worked like a charm
Giulia, 26 Nov 2025
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Good
Good. No problem.
customer, 26 Nov 2025
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Click and go!
Really easy to set-up. Connection was great in Japan.
ARLENE C., 26 Nov 2025
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Great app
Worked without any issues when moving to different countries Easy to install
Don, 26 Nov 2025
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Perfect !
Perfect !
It works perfectly !
You can buy it without hesitation ;)
Mr Olivier Delefortrie, 26 Nov 2025
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How to check if a device is ready for eSIM?
Check eSIM compatibility
Smartphones & Cellular Tablets:
Dial (*#06#). If an EID number shows, your device supports eSIM!
Laptops (Windows 10/11):
Open your flyout (bottom-right corner). If Cellular settings are visible, your laptop supports eSIM!
Check Carrier Unlock
On iOS:
Go to Settings > General > About, scroll to Carrier Lock. If it says "No SIM restrictions", your device is unlocked!
On Android:
Go to Settings > Network & Internet > Mobile Network, turn off Auto network selection. If you see multiple available networks, your device is unlocked! If only one appears, or you get an error, it may be locked.
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