You also have the option of recording the mirrored screen by using the red button in the QuickTime player.

After selecting the device, you will be able to mirror your iPhone device to your Mac through QuickTime using USB.

If your iOS device is not showing in the list, you should disconnect and reconnect the iPhone.

Select your iPhone from the list of available devices to start screen mirroring iPhone to Mac.

Open the File option from the menu bar and select New Movie Recording.

Use a Lighting to USB Cable to connect your iOS device to your Mac.

Therefore, the steps discussed below are for macOS 10.14 Mojave and older.

However, before discussing the steps involved in using QuickTime, it is important to note that QuickTime is no longer supported by the latest macOS 10.15 Catalina or later. It is essentially a media player that gives various options, such as mirroring and recording your iOS device screen from your Mac. All you need is a lightning cable to connect your iPhone, iPad, or iPod to your Mac. Using QuickTime to mirror iPhone to Mac via USB is the easiest and quickest method of doing it. Method # 01 – Screen Mirror iPhone to Mac via USB using QuickTime

Use iphone as webcam mac quicktime