Make sure your iPhone supports eSIM
Connect your iPhone to Wi-Fi
Go to Settings
Tap Cellular or Mobile Data
Tap Add eSIM or Add Cellular Plan
Choose one of these options:
Use QR Code
Transfer From Nearby iPhone
Enter Details Manually
Scan the QR code from your carrier if provided
Follow the on-screen instructions
Confirm the cellular plan
Set your default line if prompted
Turn on the eSIM line
Restart your iPhone if needed
Test calls, texts, and mobile data