Sync error code -54
If you have this error and you have an iPhone 6, you can fix it by turning off Find My iPhone. Make sure you turn it off in the cloud, too.
iPhone 6, iOS 9.1
User profile for user:
Brett L
User level:
Community Specialist
Howdy Valerieusn,
If you receive an error -54 when syncing your device with iTunes, use the steps in this article to resolve the issue - If you see error -54 when you sync with iTunes.
Thanks for using Apple Support Communities.
Best to you.