Use a USB cable to connect the iPhone to the laptop
Unlock the iPhone
Tap Trust This Computer if prompted
Install iTunes on Windows or Finder on macOS if needed
Install a screen mirroring app that supports USB iPhone display
Open the mirroring app on the laptop
Open the companion app or driver on the iPhone if required
Enable USB connection in the app
Select the iPhone from the device list in the laptop app
Start the display or mirror session
Allow screen recording or accessibility permissions if prompted
Keep the iPhone connected during use
