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 44489 reviews on
Verified
Verified review
This user has been identified as a buyer
Great connection all the time!
Great connection all the time!
customer, 28 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Everything worked as it should have .
Everything worked as it should have .
customer, 28 Aug 2026
Verified
Verified review
This user has been identified as a buyer
It was excellent
It was excellent
customers Etwaru, 28 Aug 2026
Verified
Verified review
This user has been identified as a buyer
It was dependable and easy to install.
It was dependable and easy to install.
Fe, 28 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Data was relatively stable except for…
Data was relatively stable except for some minutes where i lost connection
April, 28 Aug 2026
Verified
Verified review
This user has been identified as a buyer
E sim
Using Ubigi for my travel sim is great. The app is easy to use and fantastic deals for all countries
Sue 'Cheung' Williams, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Very very good service
Nice work good service
usman sarwar, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
always fast connection
always fast connection, simple to setup
customer, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Worked well could not fault it
Worked well could not fault it
Emma Fairless, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Thank you for helping ♥️💋
Thank you for helping ♥️💋
customer, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Very easy installation
Very easy installation. And no problem with connection great sim
Ralessa, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Extremely reliable service for our…
Extremely reliable service for our trip. It work as soon as we landed in Japan. Will definitely recommend this service provider.
customer, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Easy to setup
Easy to setup. Service was always there when I needed it. Saved a bunch of money from what my carrier would’ve charged had I used their international plan.
Al G, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Our 'Go To' esim…
They offer all the options required to meet our needs, inexpensive and easy to implement.
Gatfield, John, 27 Aug 2026
Verified
Verified review
This user has been identified as a buyer
Great
Great, if it was cheaper it would be superb.
customer, 27 Aug 2026
Thank you
Your message has been sent. We’ll get back to you shortly.
Thank you
We have taken into account your subscription to the newsletter
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