As the name implies, international roaming allows you to travel seamlessly around the world with an eSIM profile and a local, regional or worldwide data plan. eSIM data plans provided by operators like Ubigi offer flexible and seamless connectivity capabilities wherever you are in the world.
Once your eSIM profile is installed on your device, it is always there and ready to use. You just need to buy a data plan that covers the country where you will be going.
With Ubigi, you can buy prepaid data plans on the go, even when your previous plan has ran out or expired! Whenever you need it on the move. There is no upfront subscription or commitment. You will just have to log into your account and top up as you go.
Explore Ubigi eSIM data plans for seamless connectivity worldwide!
Install once, stay globally connected for life with a single eSIM, compatible with all eSIM-enabled devices : iOS Phone, iPad OS, Android, and Windows 10 and 11.
Are you a company with teams on the move?
Manage your employees' LTE/5G connectivity on smartphones, tablets, laptops, and hotspots while maintaining complete control over your costs.
Explore Ubigi eSIM data plans for seamless connectivity worldwide!
Install once, stay globally connected for life with a single eSIM, compatible with all eSIM-enabled devices : iOS Phone, iPad OS, Android, and Windows 10 and 11.
Are you a company with teams on the move?
Manage your employees' LTE/5G connectivity on smartphones, tablets, laptops, and hotspots while maintaining complete control over your costs.
Great
Based on 51708 reviews on
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Highly recommended
This sim has been excellent for my Japan trip! Didn’t realise how easy it was to purchase and use abroad, save me so much money, will definitely use again and highly recommend!
Lynsey, 14 Nov 2026
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Easy to install and set up.
Easy to install and set up.
Walter, 14 Nov 2026
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Soon as we landed in Japan the service…
Soon as we landed in Japan the service has been solid. Coverage was great in Tokyo and it working perfectly in Kyoto. Would recommend.
Kammerer, 14 Nov 2026
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Very good connectivity and affordable…
Very good connectivity and affordable price
Rajesh, 14 Nov 2026
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Very positive experience
Very positive experience. My travel companion since 2020
Thierno Birahim, 14 Nov 2026
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Had some problem
Had some problem
working in HK.
customer, 14 Nov 2026
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Always had great service from Ubigi
Always had great service from Ubigi
Andy Thomas, 14 Nov 2026
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I've used it several times
I've used it several times, but it's great rate and there's no problem, so it's helpful.
MJ, 14 Nov 2026
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Great signal all over japan
Great signal all over japan, It would be great if they had an unlimited option so I would not worry about how many Mb I have left
MonikSanchez, 14 Nov 2026
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Very Good experience
Very Good experience
customer, 14 Nov 2026
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It was the first time using the UBIGI…
It was the first time using the UBIGI E-Sim in Japan and overall I found it worked very well.
There were a couple of occasions that coverage seemed to drop out but it was for very short periods and it didnt cause us any major issues.
nick.c.barrettbigpond.com, 14 Nov 2026
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Einfache Einrichtung
Einfache Einrichtung, funktioniert sehr gut
customer, 14 Nov 2026
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I was easy to install and connection…
I was easy to install and connection was stable.
customer, 14 Nov 2026
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Prices was good
Prices was good. Connection was solide. No drops.
Christian Jacques, 14 Nov 2026
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Good value
Easy(-ish) to set up, great coverage even in the mountains on the Kumano Kodo, plenty of data. Good value.
Magnus, 13 Nov 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.
How to check eSIM compatibility
How to check carrier unlocking