Does the Samsung Galaxy S21 support eSIM?
No. No / not reliably. The Galaxy S21 line generally does not support eSIM on consumer units.
eSIM support No
Max eSIM profiles stored —
Dual eSIM (2 active) No
Release year 2021
Brand Samsung
eSIM-only regions None
Details & region notes
Although hardware exists in some variants, firmware disables eSIM on nearly all retail S21 models.
Samsung Galaxy S21 doesn't support eSIM — here's what to do
Without eSIM hardware you can't install a travel eSIM. Consider: buying a cheap local physical SIM at the airport, renting a pocket Wi-Fi device, or upgrading to a phone that supports eSIM.