Syncing iPhone to itunes
iPhone 11 pro max won't connect to iTunes (Version 1.0.0.426). phone connection keeps coming in and out
MacBook Pro operating macOS Catalina version 10.15
iPhone 11 Pro Max
Are you using an old cable or a brand new one? Try flipping over the lightning connector in case that helps. Reboot both computer and device and try again. Unlock the device before you connect it to USB.
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