You can learn two ways to restore contacts from iPhone in this video guide: 1. Restore contacts from iPhone backup 2. Recover iPhone contacts without backup And now the latest iPhone data recovery also supports restore iPhone data from iCloud backup!
This method for those people who meet the situation below on iPhone 6+/6/5S/5C/5/4S/4/3GS: * iPhone deleted all contacts for no apparent reason. * Contacts were deleted by you or other people accidently * Update to iOS 7/iOS 8 and lost all contacts * Lost all of your contacts after factory restore your iPhone * Contacts get erased on iPhone when you sync with a new library or new computer * Can't turn on crashed, damaged, broken or smashed iPhone and need the contacts * Lost all the iPhone data after jailbreak including the important contacts.