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.
Great
Based on 32316 reviews on
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User friendly
User friendly with good communication
customer, 04 Mar 2026
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Works perfect
Works perfect
Mr Davis, 04 Mar 2026
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Great experience!
Great experience!
Soledad, 04 Mar 2026
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Easy to set up and use
Easy to set up and use! I would recommend to anyone who needs data while travelling.
Harold, 04 Mar 2026
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Although expensive compared to local offerings it works perfectly
Not much to say because it worked perfectly although more expensive than local offerings
Riccardo Gherardi, 04 Mar 2026
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Easy to activate
Easy to activate, great service, I didn’t see any notification when my data ran out which could have been critical, but fortunately I figured it out while I was at the hotel.
Tokyo Traveller from Canada, 04 Mar 2026
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Simple to use
Simple to use, efficient no hassle perfect
customer, 04 Mar 2026
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Very reliable
Very reliable a simple to install
Tiziana , 04 Mar 2026
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Great service and so much better than…
Great service and so much better than utilizing Visible in Japan!
Blake Turner, 04 Mar 2026
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Just worked
Just worked
Rohit, 04 Mar 2026
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Peace of mind while traveling
The Ubigi eSIM worked perfectly and easily, allowed me to used map app, be in communication and research local information while traveling - much cheaper than any temporary plan through my normal cell provider.
customer, 04 Mar 2026
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Ubigi immediately picked up when I…
Ubigi immediately picked up when I entered the country... I only needed to switch the eSIM to "on" and set it to my primary source for data.
Monika Maleri, 04 Mar 2026
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Perfect experience
Perfect experience
Sadettin gezer, 04 Mar 2026
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Good morning
Good morning, I know starting using this app, don’t know it really as yes..
But with my first 3 days expérience
It’s ok, just have to learn more, to really handle it
customer, 04 Mar 2026
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Word wide reception
Word wide reception.
Reliable.
Market pricing.
Mark, 04 Mar 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