Do Samsung Galaxy S21 5G, S21+ 5G, S21 Ultra 5G support eSIM?
All the new Samsung Galaxy S21 5G, S21+ 5G, S21 Ultra 5G are equipped with an eSIM.
Thanks to the eSIM, users will be able to use dual SIM cards. It means that the eSIM on Galaxy S21 models allows you to immediately connect to another mobile operator without using a physical SIM cards.
To activate your eSIM, you need a wireless service carrier which provides you an eSIM profile as well as data plans. eSIM data plans availability may vary depending on country and carrier. Ubigi is one of the carriers that support eSIM for the Samsung Galaxy S21 series, in about 200 destinations, on the 5 continents.
The activation possibility of the eSIM feature might differ by country and/ or model version of the device. Ubigi is not responsible for this inconvenience.
PS: Please note that the Samsung Galaxy S21 FE is not compatible eSIM.
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.
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Based on 47425 reviews on
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Very easy to use and great service!
Very easy to use and great service!
10/10!
Colby, 03 Oct 2026
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Quick install
Quick install, all working
Thomas, 03 Oct 2026
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Well done
No complaints
Leo, 03 Oct 2026
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Great connection so far
Great connection so far. Some area are deadzone. But overall very reliable.
Wyn, 03 Oct 2026
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It was really easy to use and it worked…
It was really easy to use and it worked perfectly fine throughout Our whole trip in Japan!
customer, 03 Oct 2026
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Great internet connection
Great internet connection
So good I haven’t bothered to connect to my hotel wi-fi
Paul Baines, 03 Oct 2026
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Easy to purchase an esim
Easy to purchase an esim, clear and good pricing and never had problems with reception
customer, 03 Oct 2026
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Works perfect when landed
Works perfect when landed, I just wish there was a way to actually test it before going to a destination country for a complete piece of mind
customer, 03 Oct 2026
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Easy to set up and seamless operation
Easy to set up and seamless operation
ALAN, 03 Oct 2026
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The internet was fast and reliable.
The internet was fast and reliable.
Doreen, 03 Oct 2026
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It’s good
It’s good, a little slow, but it works
customer, 03 Oct 2026
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Easy to use and worked well
Easy to use and worked well
customer, 03 Oct 2026
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I have used Ubigi in both Portugal and…
I have used Ubigi in both Portugal and Japan. It has exceeded my expectations each time I’ve used it. It was easy to setup, very economical and the speed and efficiency was top notch.
William, 03 Oct 2026
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Best one for Marokko
Best one for Marokko
customer, 03 Oct 2026
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The application is very intuitive and…
The application is very intuitive and easy to use.
Charlie Campagna, 03 Oct 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?
How to check eSIM compatibility
How to check carrier unlocking