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How can I fix QuickTime. It used to be able to mirror my iPhone through usb. Now I’m unable to it always shows a black screen or sometimes I get an error message with a triangle. I’ve tried to reset my iPhone and MacBook. Tried reset my settings and location. Also tried to “sudo killall -STOP -c usbd” tried option command p r and Shift control option. If you have any ideas please help me out.
What is your model Mac? What is its version macOS?
What is your model iPhone? What is its version iOS?
Identify your MacBook Pro model - Apple Support
Identify your MacBook Air model - Apple Support
Identify your MacBook model - Apple Support
Find out which macOS your Mac is using - Apple Support
Identify your iPhone model - Apple Support
Find the software version on your iPhone, iPad, or iPod - Apple Support
Which app is on and active (“in front”) on the iPhone?
Verify that the iPhone isn’t locked or asleep.
Verify that you allowed the Mac to connect to the iPhone, and that the iPhone trusted the Mac.
What is your model Mac? What is its version macOS?
What is your model iPhone? What is its version iOS?
Identify your MacBook Pro model - Apple Support
Identify your MacBook Air model - Apple Support
Identify your MacBook model - Apple Support
Find out which macOS your Mac is using - Apple Support
Identify your iPhone model - Apple Support
Find the software version on your iPhone, iPad, or iPod - Apple Support
Which app is on and active (“in front”) on the iPhone?
Verify that the iPhone isn’t locked or asleep.
Verify that you allowed the Mac to connect to the iPhone, and that the iPhone trusted the Mac.
QuickTime player won’t mirror iPhone.
