Galaxy S21 5G eSIM Compatibility
Yes. The Galaxy S21 5G (released 2021) supports 1 active eSIM alongside a physical SIM slot, and works with travel eSIMs out of the box.
Galaxy S21 5G eSIM Specs
| eSIM support | Yes |
|---|---|
| Active eSIM profiles | 1 |
| Physical SIM slot | Yes |
| Dual SIM Dual Standby | Yes |
| Release year | 2021 |
| Brand | Samsung |
Source: manufacturer spec pages, last verified 2026-04-12.
How to install an eSIM on this device (Samsung One UI)
- 1Open Settings → Connections → SIM manager → Add eSIM.
- 2Tap “Scan QR code” and scan the code from your MyeSIM order email.
- 3Confirm the download, then choose which SIM handles mobile data.
- 4Enable Data Roaming for the travel eSIM line when you arrive.
Frequently Asked Questions
Does the Galaxy S21 5G support eSIM?
Yes. The Galaxy S21 5G (2021) supports eSIM.
Can I use a physical SIM and an eSIM together on the Galaxy S21 5G?
Yes. The Galaxy S21 5G supports Dual SIM Dual Standby: keep your home SIM in the physical slot for calls and texts, and use a travel eSIM for local data abroad.
Can I use a travel eSIM on the Galaxy S21 5G abroad?
Yes. Buy a plan for your destination, scan the QR code to install before you fly, and turn it on when you land — no SIM swap, no roaming fees from your home carrier. Make sure the device is carrier-unlocked.
Get a Travel eSIM for Your Galaxy S21 5G
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