After that, if the network is still not displayed on your Android device (network bars on the right are still all grayed out), you have to perform a manual network search. To do that:
– First go to Settings:
– Then select Connections:
– Select Mobile networks:
– And select Network operators:
– Click on Ubigi (or eSIM…) at the bottom to access the network functions for the Ubigi e-SIM :
– Then, disable automatic mode and click OK to start a network search:
– After that, the list of available networks will be displayed after a few seconds:
– Finally select the Ubigi network (If Ubigi does not appear in the list, you must select the name of our network partner in the country you are in – Consult the list of our network partners here).
Once you have selected the network, the network bars will appear at the top of your screen (they will no longer be all greyed out).
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Based on 35908 reviews on
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Reliable
Reliable, seemless connection. A bit pricey though!
customer, 29 Apr 2026
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So easy
So easy. We landed, activated the eSIM and were online before we reached the gate.
customer, 29 Apr 2026
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The price for service and easy use.
The price for the service, the signal is best easy to use.
Kitty M AM Lam, 29 Apr 2026
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Easy to use and good value for money.
Easy to use and good value for money.
Steve Peters, 29 Apr 2026
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Ubigi has been my go to esim when…
Ubigi has been my go to esim when traveling to Japan. So far, it hasn’t let me down. Speed and signal is good! Very reliable
Cathrain Aurarose vibar, 29 Apr 2026
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Easy to setup, connection rather unstable
Ordering and setting up the eSim went well.
But connection is unstable. It's either slow or there is no connection at all at times.
The unlimited plan has a fair use policy where it will limit your speed after 30GB, which can be little depending on your use.
YKZ, 29 Apr 2026
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the name was wrong (transatel or…
the name was wrong (transatel or something) but otherwise worked like a charm.
customer, 29 Apr 2026
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Turned on esim when landed in Japan had…
Turned on esim when landed in Japan had no problems at all. Only had the 10 gig and didn't even use 1 for the whole 8 days. Would definitely recommend this service
customer, 29 Apr 2026
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this is great to use and so easy to set…
this is great to use and so easy to set up cant fault it am using it in thailand at the minute
customer, 29 Apr 2026
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Good access in urban Japan
Good access in urban Japan (not checked elsewhere) for decent price. Live update on data consumption status, easy to install and use.
Greg, 29 Apr 2026
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The data lasted me a whole week
The data lasted me a whole week, definitely much better than a few other e-sim providers I’ve used in the past
customer, 29 Apr 2026
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Good service and reasonable price
Good service and reasonable price. Thank you .
SD, 29 Apr 2026
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Great experience in Tokyo and Kyoto!
Worked well in Tokyo and Kyoto. Great speed! No issues.
Amit Parmar, 29 Apr 2026
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It was easy to use and no issues at all…
It was easy to use and no issues at all with the services.
Green, 29 Apr 2026
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Ubigi eSim is Easy to Use
Ubigi eSim is great. I've used them for my last couple of international travels and every time it worked with no problems. Ubigi's eSim is very easy to use and does not require any technical knowledge or support. And the price is pretty reasonable.
The only thing I would suggest is that Ubigi should give returning customers a discount, not just for referring a new client.
Satisfied Customer, 29 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?