What is an eSIM?
An eSIM is an industry-standard digital SIM supported by carriers around the world. eSIM is available on iPhone XS, iPhone XS Max, iPhone XR, and later. iPhone 14 models purchased in the United States don’t have a physical SIM tray and support only eSIM.
Purchase an eSIM from a local carrier in the country or region you’re visiting
- Find carriers around the world that support eSIM on iPhone.
- If your iPhone is locked to a carrier, your iPhone operates the same as if it were using a physical SIM and can be used only by that carrier. You can add multiple eSIMs and plans through that carrier. To check if your iPhone is unlocked, go to Settings > General > About. If your iPhone is unlocked, “No SIM restrictions” appears next to Carrier Lock. Learn how to unlock iPhone for use with a different carrier.
About unlocking
https://support.apple.com/en-us/HT201328
Contact Link
https://support.apple.com/en-us/HT204039