Check if your eSIM profile is installed on your device.
Check eSIM profile activation
Check if your eSIM profile is activated on your device.
Apply data to eSIM profile
Ensure data is applied to your Ubigi eSIM profile.
Check APN configuration
Ensure that the APN is correctly set for your Ubigi connectivty.
Check network display
Check the network status for your Ubigi connectivity.
Final checks!
Check account creation and Internet access.
Difficulties to connect with your eSIM profile?
Resolve any issue you may encounter with your data connectivity in only 6 easy steps on your Windows11.
4 min
Easy
Great
Based on 34795 reviews on
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Great signal in Japan
Used this for my Japan Trip. Signal was fantastic all throughout, even on mountain destinations (Shirakawa-go)
Inaki, 15 Apr 2026
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It was my first trip to Japan
It was my first trip to Japan. With the unlimited 15 day plan I was able to work my self thru the train system with no problem. I had great service and was able to use my translating apps too.
M. Lopez, 15 Apr 2026
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Good
Good.. typingthistofill10characters
customer, 15 Apr 2026
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Great signal
Great signal
Joseph, 15 Apr 2026
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The right eSIM choice
Easy to purchase, activate, and use. And great price. No issues during my stay at all.
customer, 15 Apr 2026
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It worked everywhere!!
It worked everywhere and was sometimes better than the WiFi.
customer, 15 Apr 2026
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Very easy to set up and low price
Very easy to set up, use and low affordable price! Good network service experience!
customer, 15 Apr 2026
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Excellent service!
Excellent service!
Melissa T, 15 Apr 2026
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Very reliable
Very reliable
customer, 15 Apr 2026
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Fast internet
Fast internet
customer, 15 Apr 2026
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Great phone service while in Japan
Landed in Japan and was connected immediately to the service. Getting it set up was also very straight forward. My wife and I went on a skiing trip near Nagano, and we were able to get good coverage and keep in contact all across the mountain. I really can’t fault the Ubigi eSIM in any way.
Scott, 15 Apr 2026
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Easy to use
Easy to use, very good reception and a good unlimited plan. Although it's not truly unlimited as data is throttled after 30Gb. But I would definitely recommend to anyone travelling.
customer, 15 Apr 2026
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Very ease to install and the quality of…
Very ease to install and the quality of Internet is great
Marjanacustomer, 15 Apr 2026
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genuinely the easiest e-sim to use
genuinely the easiest e-sim to use, appropriate prices and easy set up. Overall amazing experience
Soverr, 15 Apr 2026
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Works without any issues even when already overseas!
After trying and failing with another esim app, I installed this and it's worked perfectly while we've been in Australia.
Will definitely be keeping this app on my phone for next time I'm overseas.
Mark, 15 Apr 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?