Apple’s latest iOS 10 has become the most popular iOS versions ever since. Recently we noticed that many iOS 10.3/10.2/10.0 users have trouble syncing their device with iTunes 12.6 on both Windows and Mac computers. Many people said iTunes 12 Wi-Fi sync not working; sometimes the sync process gets stuck or unresponsive for several hours. Music transfer incomplete or cannot be played after being synced. Anyway, numerous complaints and discussions on Apple Communities can be found.
People reported they started facing these annoying problems with iPhone 7/7 Plus, iPhone SE or iPhone 6s/6 or iPhone 6s/6 Plus or after upgrading iPhone/iPad to iOS 10.3/10 or iOS 9.3.5/9. There are a lot of discussions about the iTunes 12 sync problems and solutions on forums. The steps below are aimed to fix sync problems between iTunes 12.6/12.5 and iOS 10/9/8 devices. The solutions are supposed to apply to iOS 7 or lower as well.
Now, iTunes 12 should sync flawlessly with iPhone, iPad or iPod touch.
Some users reported sync music to iPhone, iPad and iPod unsuccessfully. One of the users describe "I synced my music collection yesterday, but then I realized the songs I saw being copied there are not there." Sometimes the album art does not sync to iOS device, or the music cannot be played in iPhone though the song names are synced. Follow steps may help you.
Another userful fix is to use this free iTunes repair tool - TunesCare. It is professionally designed to fix iTunes music sync problems in the easiest way.
Install it to any PC, and connect your iPhone, iPad or iPod touch to computer. Once TunesCare detects your device, click "Fix iTunes Sync Problems", it will automatically repair iTunes library to fix iTunes not sync with iPhone, iTunes cannot sync music, or iTunes not read contents in iPhone. By far, it is the best recommended iTunes fix software to free fix iTunes sync issues, iTunes restore/backup errors.
Hope the above solutions help you resolve the sync problems with iTunes sync. We welcome your comments below and if you have found a different solution, do share with us.