If you are running an old iTunes version, please upgrade your iTunes to the newest version. Please check and try another original USB cord to connect your iPhone to computer to sync with iTunes again. If the USB cable you are using is faulty, iTunes will not detect your iPhone and sync your iPhone data. Tips to Fix iPhone Can't Sync with iTunes after iOS 12 Update See Also: How to Backup iPhone Data with or without iTunes Part 2. The settings of music syncing on iPhone or iTunes is improper. There are some problems on network connection. Why Can't iPhone Won't Sync with iTunes?Īfter upgrading to iOS 12, if iPhone X/8/8 Plus/7 Plus/7/6s Plus/6s/5s/SE is unable to sync to iTunes, you can check the main reasons to cause this issue as following: Alternative Way to Sync iPhone with iTunes after Updating to iOS 12 Part 1.

Is anyone else having this problem?' - From Apple ForumĪfter iOS 12 update, if your iPhone will not sync with iTunes or iTunes won't sync with iPhone, iPad or iPod, you can get some tips to fix this iTunes error or iPhone error in this article. When I plug my phone into my macbook it says 'iTunes could not connect to the iPhone “Katie's iPhone” because an invalid response was received from the device. 'I updated my iPhone 7 Plus with the newest iOS 12 software. Q: iPhone won't sync with iTunes after iOS 12 update

Iphone 12 itune