I used Ubigi eSim in Japan and it worked perfectly. It was pretty easy to use especially since it was my first time. Will definitely keep using it and would recommend it.
Kevin Q, 01 Jul 2026
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The data was great connection was good…
The data was great connection was good lasted 2 weeks of our holiday
Sam Hughes, 01 Jul 2026
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Excellent
Excellent. Perfect for my short term use. Haven't had any issue so far. Easy activation
customer, 01 Jul 2026
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Very good network around japan
Very good network around japan
customer, 01 Jul 2026
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Everything was smooth
Everything was smooth. From the setup to the end of my trip. The instructions given on how to make sure my phone was active when I arrived in Japan was just right. We had no issues getting connected the minute we landed. The service was great all throughout the trip. Mostly 5G some LTE here and there but for the most part fast speeds throughout. I’d recommend Ubigi to anyone traveling to Japan as it’s was very cost effective the we were connected the entire time.
customer, 01 Jul 2026
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Great connectivity through Europe
Great connectivity through Europe
Paul L, 01 Jul 2026
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We are on a journey in japan and zero…
We are on a journey in japan and zero issues. Great.
MICHELA, 01 Jul 2026
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Long time user
I've used Ubigi for a number of years and while occasionally they may not be as cheap as other eSIM options or may not have the exact combination of data + time period I need, they are my go-to for top-notch service, as they always seem to partner with quality service providers in any country they service. I don't think I've ever had a service issue using one of their eSIMs, and it's super handy to just keep the Ubigi eSIM perpetually in my device and just re-activate it as needed when I go overseas as opposed to constantly needing to activate new ones as from other services. I've used Ubigi in multiple countries including Japan, Vietnam, USA, and probably other countries I've forgotten. The only thing that I don't like is that it only charges in USD so I'm stuck with currency conversion and a currency conversion fee, however this is what it is - the process of choosing and paying is simple and easy and I have frequently bought an eSIM just before my flight out, to have this ready to go once I land.
KA, 01 Jul 2026
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Great experience
Great experience
customer, 01 Jul 2026
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Amazing
I was really apprehensive that how data sim would work in Russia as I was visiting that country first time and I was told that getting a local Sim for visitors is not possible these days in Russia. But I was pleasantly surprised to see that Ubigi esim started working as soon as I landed in Russia. As per local protocols, for 24 hours it had limited speed but then it worked really well. I highly recommend Ubigi for all travellers who want to travel with complete peace of mind and want to stay connected as well.
Umar, 30 Jun 2026
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Easy to connect good Price
Easy to connect good Price
Sergio, 30 Jun 2026
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After 3 months and exceeding of my own…
After 3 months and exceeding of my own data programe in abroad country, ubigi has helped to keep me and my family online. Great Job. Vouchers were also appreciated!
Jan Slovakia, 30 Jun 2026
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eSIM 호환성 확인 방법
스마트폰 / 태블릿:
*#06# 입력. → EID 번호가 나오면 eSIM 지원 기기입니다.
Windows 10 / 11:
Windows+I 를 누르세요. “네트워크 및 인터넷”으로 이동하세요 → 셀룰러 네트워크가 보이면 PC가 eSIM을 지원합니다..
통신사 잠금 해제 여부 확인 방법
iPhone / iPad:
설정 > 일반 > 정보로 이동 통신사 잠금 항목까지 스크롤. → “SIM 제한 없음”이 표시되면 기기는 잠금 해제 상태입니다.
Android:
설정 > 네트워크 및 인터넷 > 모바일 네트워크 자동 네트워크 선택을 끄세요. → 여러 네트워크가 보이면 잠금 해제된 기기입니다.