Your iPhone's EID (Embedded Identity Document) is essential for activating eSIM profiles. Here's how to locate it:

1. Through Settings:
   1. Open Settings
   2. Tap General
   3. Select About
   4. Scroll to EID near bottom
2. Using Dial Pad:
   Open Phone app ➔ Dial *#06# ➔ Press call button ➔ EID appears immediately
3. Physical SIM Tray:
   On iPhone XS and newer models, check original SIM tray for laser-etched EID (if available)

For visual instructions, check our help center with step-by-step video tutorials. If you encounter any issues, first consult our troubleshooting FAQ before contacting support.