It's too tired to delete unwanted contacts, photos and songs one by one on iPhone, especially there are plenty of them. TunesGo is the best tool to solve this problem. With TunesGo, you can directly remove contacts, photos, music and video you don't want, and won't delete other files.
Manage Your iPhone, iPad & iPod
> Transfer, Backup & Remove everything on iPhone, iPad & iPod
> Everything like Contacts, SMS, Music, Movies, Audiobooks, Photos
> Newly works on iOS 7 and iPhone 5S/5C, iPad Air/mini
> Directly transfer files between iOS devices with a click