The mobile network operators will vary according to the country but the eSIM provider will already have an agreement with them so you should focus on the eSIM provider.
The price of data plans is an important factor in selecting the right eSIM carrier as well as coverage if you plan to travel. However, you should focus more on the service quality offered by the provider, there are a lot of factors you need to take into consideration to find out what is best for you.
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 37197 reviews on
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Worked on arrival
Worked on arrival
customer, 17 May 2026
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Easy to scan and install esim
Easy to scan and install esim. App is useful for tracking how much data is used. Only problem is if you underestimate how much data you need, not able to add more data. But it's possible to buy another plan.
customer, 17 May 2026
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Very easy to use and I was connected to… in
Very easy to use and I was connected to the internet everywhere I went in Japan.
Ed S, 17 May 2026
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Excellent service
On time, fast, really good service, kind.
Sam, 17 May 2026
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Excellent worked as soon as I arrived
Excellent worked as soon as I arrived. And so far been getting a good signal
Steven Jarvis, 17 May 2026
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Good option
It worked all the time in all the placas
Ana, 17 May 2026
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Easy Set Up and Reliable Service
It is easy to set up for the first time user. And the service was very reliable.
Eric, 17 May 2026
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Esim au top
Esim efficace à travers le Japon, même en montagne. Rien à dire, un super rapport qualité prix
Lili, 17 May 2026
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First time in Japan and our e-sim…
First time in Japan and our e-sim experience was very good. Easy application and install. Thank you so much 😊
Richard, 17 May 2026
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No problem.
No problem.
customer, 17 May 2026
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Great value for money
Great value for money. Strong 5G signal everywhere I've been in France, Belgium, Netherlands and Germany
Jamie Parker, 17 May 2026
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Stupid easy to install and worked well
Stupid easy to install and worked well. Lightening speed 5g, highly recommended. Would use again
customer, 17 May 2026
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Extremely good coverage and speed
Extremely good coverage and speed
Petar, 17 May 2026
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I sometimes experience some connection…
I sometimes experience some connection issues
customer, 17 May 2026
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This user has been identified as a buyer
best service
Easy eSIM setup, flexible plans, good call and internet quality, and the ability to use multiple plans at the same time depending on your current location. And most importantly, the service doesn’t shortchange you on data (Nomad SIM, which I used before, cut off my 3GB plan after I’d used 2.7GB). I highly recommend this service if you need travel eSIM.
Valenti, 17 May 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.
If you choose to add a new one, the current plan will be removed. What would you like to do?