Does the iPhone X support eSIM?
No. No. The iPhone X does not support eSIM. eSIM support started with the iPhone XS / XR (2018).
eSIM support Not supported
Dual eSIM (2 active) No
Released 2017
eSIM-only regions None
Region & carrier notes
No iPhone before the XS / XR has eSIM hardware. To use a travel eSIM you'll need an iPhone XS / XR or newer.
Need eSIM? Here's what to do
The iPhone X can't use eSIM. Upgrade to an iPhone XS / XR or newer, then compare travel eSIM plans.