iTunes doesn't recognize my iPhone
When plugged into my Mac, my iPhone is not recognized by ITunes.
iPhone 8, iOS 12
When plugged into my Mac, my iPhone is not recognized by ITunes.
iPhone 8, iOS 12
For iOS 12 you need iTunes 12.8.0.150 or better running on OS X 10.11.4 or better. See How to upgrade to OS X El Capitan - Apple Support if required.
Assuming a suitable version of iTunes is in place then in Finder use the menu item Go > Go to Folder..., copy the following text, paste it into the dialog box and press enter:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/Current/Resources
Unlock your device and connect it to USB. Double click on MobileDeviceUpdater in the folder that has opened. It should notify you of a software update. Install it and iTunes should hopefully recognize your device.
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Here is a link that may help - If iTunes doesn't recognize your iPhone, iPad, or iPod - Apple Support
iTunes doesn't recognize my iPhone