Check Developer Mode - iOS

Developer Mode may not appear until the iPhone has been connected to the Mac and trusted. If the setting is not visible, connect the iPhone to the Mac by cable, unlock it, and tap Trust This Computer when prompted.

1. Open the Settings app on your iPhone.
2. Scroll down and tap on Privacy & Security.
3. Navigate to the Developer Mode section.
4. Confirm that Developer Mode is enabled.

If Developer Mode is disabled, complete Enable Developer Mode before running Phone Preparation.