Is Samsung Galaxy S21 eSIM compatible? | VoiSim
← All eSIM-compatible smartphones
Samsung Galaxy S21 eSIM Compatibility
The Samsung Galaxy S21 is generally eSIM-capable. Samsung describes eSIM usage on Galaxy smartphones; however, check your specific S21 variant, software version, and carrier unlock status directly on the device.
Before purchasing, check the eSIM option directly in your device's settings. Regional variants, software status, as well as SIM/network lock or carrier profiles can affect usage.
At a glance
- ✅ Device shows an option like “Add eSIM”, “Add cellular plan” or “Download SIM”.
- ✅ Smartphone is not blocked by SIM lock, network lock or carrier profile.
- ✅ Installation should ideally be done before travel via stable Wi-Fi.
Check eSIM in 3 steps
Open settings
Go to "Settings" > "Connections" > "SIM Manager".
Check eSIM option
Look for "Add eSIM", "Add cellular plan" or a similar option.
Secure before purchase
If the option is missing, check the software status, regional variant, and potential carrier restrictions.
Samsung Note: Menu names may vary depending on One UI/Android version and carrier profile. You should particularly carefully check imported, regional or carrier-locked devices.
Ready for your trip?
If your Samsung Galaxy S21 shows the eSIM option, you can choose a suitable VoiSim data package for your travel destination.
Using VoiSim eSIM while traveling
With an eSIM-capable Samsung Galaxy S21, you can digitally install your VoiSim data package and use it for mobile data at your travel destination. Your main SIM can remain in the smartphone simultaneously, depending on the device and settings.
After installation, consciously select which line uses mobile data, and note the activation and validity period instructions of your specific VoiSim package.
Frequently Asked Questions about Samsung Galaxy S21 and eSIM
Does the Samsung Galaxy S21 have an eSIM?
Yes, the Galaxy S21 can generally support eSIM. It is crucial that an eSIM option is visible in the SIM Manager on your specific device.
Is the Samsung Galaxy S21 eSIM-compatible for VoiSim?
Generally yes, if your Galaxy S21 supports eSIM, is unlocked, and the VoiSim eSIM profile can be installed correctly.
How do I set up eSIM on the Galaxy S21?
Open Settings > Connections > SIM Manager and look for an option like "Add eSIM". The exact name may vary depending on the software.
Why is "Add eSIM" not displayed?
Possible reasons include regional model variants, carrier profiles, SIM/network lock, old software, or deactivated cellular options.
Can I use a regular SIM and travel eSIM simultaneously?
In many cases, yes. You select which line to use for mobile data in the SIM Manager.
Official sources for device verification
Official manufacturer/support sources were used for the technical assessment. If in doubt, additionally check your own device directly.
Further helpful links
- Compatible Smartphones
- FAQ
- Contact
- Data Usage Calculator
- iPhone Installation Guide (for iOS users)
Check similar devices
Find a suitable VoiSim eSIM
Choose your travel destination and check the appropriate data package for your trip.
Note: This page provides a cautious compatibility assessment for travel eSIMs. eSIM functions may vary depending on regional device variant, software status, carrier profile, and locks. No statements are made regarding guaranteed network coverage, speed, or universal availability.