The Contacts app uses an intelligent merge feature to combine contact info from various sources (GmailTM, Microsoft® Exchange, Facebook®, new entries, etc.). If contact info was joined in error it can be separated back into individual contacts.
From a Home screen, touch and swipe up or down to display all apps.
These instructions apply to Standard mode only.
Tap Contacts .
Tap the desired contact then tap Details (located below the contact).
Tap the Menu icon (located in the upper-right).
Tap Manage linked contacts.
Adjust as preferred:
To link, tap LINK ANOTHER CONTACT and select additional contacts then tap LINK (located in the upper-right).
Contacts are selected when a check mark is present.
To unlink, tap the Remove icon next to the appropriate contact.