Important: Make sure that the text is typed exactly as underlined above, maintaining the spaces.įact: That’s it, your iPhone should be now able to connect to your Mac without any problems. Copy/paste the following command in the Terminal window: sudo killall -STOP -c usbd.Tip: Make sure that the search is performed on This Mac and not using the Recents filter.

Use its Search function, top-right corner and type Terminal.

If you don’t do it, the iPhone will warm-up and this surly doesn’t help battery ageing. As soon as it occurs, unplug the cable to stop the repeated connecting and disconnecting behavior. This problem occurs the first time you connect your iOS device to a Mac that has just been updated to macOS 11.

Fortunately, there is a permanent working fix that you can apply using a special command in the Terminal app! How To Fix iPhone Not Connecting To macOS Big Sur Is your iPhone not connecting to your Mac after you updated your computer to macOS Big Sur? Is this problem occurring when you plug your device in with the help of the Lightning to USB cable? Is the iPhone briefly showing up in Finder or iTunes before it disappears? Does this quick connecting and disconnecting behavior run in a loop and you can only stop it by disconnecting the cable?ĭon’t worry! This issue has occurred in the past, after major macOS updates, or when users attempt to connect an iPhone for the first time to a new Mac computer. Fix for iPhone not connecting to macOS Big Sur

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