Does the Samsung Galaxy S21+ support eSIM?
The Samsung Galaxy S21+ supports eSIM, so you can install a travel data plan by scanning a QR code — no physical SIM swap and no roaming fees.
Check it yourself in 10 seconds
- Open the keypad and dial
*#06#. - If an EID number appears alongside the IMEI, your Samsung Galaxy S21+ is eSIM-ready.
- Or open Settings → Network & internet → SIMs → Add eSIM.
How to set up a travel eSIM on the Samsung Galaxy S21+
- Stay on WiFi. Go to Settings → Network & internet → SIMs → Add eSIM.
- Scan the QR code from your idealesim order email and finish setup.
- Set the travel eSIM as your mobile data SIM.
- Enable Roaming for that eSIM.
Is your Samsung Galaxy S21+ carrier-unlocked?
An eSIM-ready Samsung Galaxy S21+ still won't activate a travel eSIM if it's locked to a network. Phones bought outright are usually unlocked; contract phones often aren't. The 20-second check:
- Open Settings → Network & internet → SIMs (or Mobile network).
- Turn off Automatic network selection.
- If several carriers appear in the list, your Samsung Galaxy S21+ is unlocked.
Locked? Your carrier can usually unlock it for free once any contract is paid off.
Samsung Galaxy S21+ eSIM FAQ
Does the Samsung Galaxy S21+ support eSIM?
Yes. The Samsung Galaxy S21+ supports eSIM, so you can install a travel data plan by scanning a QR code — no physical SIM swap and no roaming fees.
How do I check if my Samsung Galaxy S21+ supports eSIM?
Dial *#06# on the keypad. If an EID number appears next to the IMEI, your Samsung Galaxy S21+ is eSIM-ready. You can also look under Settings → Network & internet → SIMs → Add eSIM.
How do I set up a travel eSIM on the Samsung Galaxy S21+?
On WiFi, go to Settings → Network & internet → SIMs → Add eSIM, scan the QR code from your order email, finish setup, then enable Roaming for the travel eSIM. (Exact wording varies slightly by manufacturer.)
Will my Samsung Galaxy S21+ work with a travel eSIM abroad?
Yes, as long as the Samsung Galaxy S21+ is carrier-unlocked. A travel eSIM from idealesim installs a second line for data while you travel, with no roaming fees — your home SIM stays in place for calls and texts.