Linked contacts are simply contacts that are unified with similar contacts in your iphone's address book. If you have merged facebook contacts or contacts from icloud or other devices into your contacts on your iphone, you may have noticed some of your contacts repeat with only the partial information available. With contact Links, this issue is resolved. What you should do is go to your contacts App via the Phone App or directly via the Contacts App. Find the contact that you would be the master contact. Press edit on the upper right hand side of the contact. Once you are in the edit screen, scroll down until you get to linked contacts. Press Link contacts. You'll noticed that your in the contacts again. Find the contact you want to link to, and press link on the upper right hand side. Than you'll go back to the edit page of the original contact. However, you'll noticed that it will say unified contact. Scroll down to the bottom to Linked contacts to verify that the contact has linked. Once you have determined that the contact has linked, press done. The contact is linked and you will notice that only the one contact is showing now. Your done.
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