Install on Wi-Fi, following these steps (iOS 17+):

  1. Have your QR code ready (display it on another device, or print it)
  2. Go to Settings → Cellular → Add eSIM → "Use QR Code"
  3. Scan the code and follow the prompts to finish adding
  4. Rename the line label to something clear like "Coral eSIM"
  5. Turn on Data Roaming for the eSIM (no extra charges)

Keep your home SIM selected for mobile data until you land. For arrival steps, see "Getting connected after you arrive". Can't scan the code? See this.