How do I activate my Ubigi services with my Windows 10 or Windows 11 device equipped with a Ubigi physical SIM card?
First, make sure that the SIM card is well inserted in the SIM card slot of your device (please refer to the instruction manual of your device).
Then, the only thing you have to do is to connect your device to the Ubigi network and create your personal account. To do that, please follow the instructions here.
Voilà ! You can now enjoy your Ubigi services.
Note: in case there is no SIM card inserted in your device, first make sure it is compatible with Ubigi service: Which Windows 10 or Windows 11 devices are compatible with Ubigi services? If it is compatible and you never had a SIM card or you lost it, please contact device manufacturer directly to request a new one.
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Great
Based on 46598 reviews on
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Great network
Great network
Did not get in contact, 25 Sep 2026
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It was easy to buy and use.
It was easy to buy and use.
customer, 25 Sep 2026
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Excellent
Excellent. Worked like a dream for my trip! Highly recommended.
Sally Capper, 25 Sep 2026
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Great overall service
The prices were reasonable, got the best signal in Japan with high speeds and easy installation. Would use again
Hussain AlQatari, 25 Sep 2026
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Awesome service
Awesome service
customer, 25 Sep 2026
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Ubigi eSIM Asia
We have been using the Ubigi eSIM around Japan and it has been excellent.
J Armstrong, 25 Sep 2026
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Great experience using Ubigi in Japan
Great experience using Ubigi in Japan. No issues to report! Plenty of reliable data for 3.5 weeks.
Anna, 25 Sep 2026
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First time user
First time user, Easy to install on a Samsung Galaxy FE. I purchased the Asia eSIM for Japan and South Korea. Have no complaints, mostly 5G everywhere.
Andrew, 25 Sep 2026
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It ıs very useful
It was easy to set up on my mobile phone and I didn't have any problem during to use it.
Beria Rodwell, 25 Sep 2026
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Amazing 5G and service
Amazing 5G and service
customer, 25 Sep 2026
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It was simple
It was simple, good, and inexpensive.
customer, 25 Sep 2026
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Easy to use reasonable price
Easy to use reasonable price
Allison Child Wheatley, 25 Sep 2026
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I used Ubigi during my trip to Japan…
I used Ubigi during my trip to Japan and had an excellent experience. The eSIM was easy to install, activation was seamless, and I had reliable high-speed data throughout my stay. Coverage was excellent in major cities as well as during train travel. It made staying connected completely hassle-free. Highly recommended for travelers visiting Japan.
customer, 25 Sep 2026
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Service was very good everywhere I went…
Service was very good everywhere I went in Tokyo, Kyoto and Osaka.
James Robson, 25 Sep 2026
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It was really easy to install and use…
It was really easy to install and use and worked exactly as it said it would. Highly recommended.
Noel customer, 25 Sep 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?