http://www.wondershare.com/disk-utility/restore-wiped-contacts-on-ios-6.html
http://www.wondershare.com/data-recovery/iphone-data-recovery.html
All contacts are wiped out by iOS 6 upgrading? Lost contacts after upgrade to iOS 6? Don’t worry, this article will teach you how to recover wiped contacts on iOS 6 in 2 simple ste
