Yes, the Samsung Galaxy S21, S21+, and S21 Ultra all support eSIM, making them a powerful choice for travelers, business users, and anyone looking to manage two lines without carrying two devices. However, many users overlook that carrier support and software version can affect eSIM activation. For example, US models had the hardware but needed updates to One UI 4 (Android 12) or newer to enable eSIM functionality.
| Samsung Model | eSIM Compatible? |
|---|---|
| Galaxy S21 | Yes |
| Galaxy S21+ | Yes |
| Galaxy S21 Ultra | Yes |
If you do not see the eSIM option, update your device and confirm your carrier supports eSIM for your plan and region.
Why using eSIM on the Galaxy S21 for travel internet?
- Travel-ready: Activate a local eSIM plan when traveling while keeping your main SIM active for calls and WhatsApp.
- Dual-line management: Perfect for separating business and personal numbers on one device.
- No more physical SIM swaps: Reduce wear on your SIM tray while switching networks easily.
Works on flagship hardware: The S21 series offers fast connectivity and 5G, making it ideal for heavy data users abroad. SIMSOLO eSIM delivers the best compatibility and coverage for your Samsung S21 Series, ensuring you stay connected wherever you travel.
How to Check eSIM Availability on Your Galaxy S21 Series
- Go to Settings > Connections > SIM Manager.
- Look for the Add Mobile Plan or Add eSIM option.
- lso you can call *#06# on you phone and check if you have a EID Number.
If unavailable:
- Update to Android 12 or above (One UI 4 or newer).
- Confirm with your carrier that your plan and region support eSIM on your Galaxy S21.
Is Using eSIM Secure on the Galaxy S21?
Yes, eSIM uses encryption and secure provisioning, making it as secure, or even more secure, than using a physical SIM card.
Can I Use eSIM for Travel on the Galaxy S21?
Absolutely. eSIM lets you add a local data plan while keeping your home SIM active, saving you roaming fees while ensuring you stay connected instantly when you land.
