To preview the app from the iPhone you need to use TestFlight.
Follow these steps to install TestFlight on your iPhone:
- On your iPhone click on the link https://developer.apple.com/testflight/
- Click "Install"
- Open the link on your iPhone: https://testflight.apple.com/join/G3F2SCFk
- On the opened screen click "Start testing"
- Open iMobile Preview app and click "Add"
- Scan your QR-code
That's all! Now you're able to preview your app.