The Contacts app uses an intelligent merge feature to combine contact information from various sources (Gmail, Microsoft Exchange, Facebook, new entries, etc.). If contact information was joined in error, the information can be separated back into individual contacts.
From a Home screen, swipe up or down from the center of the display to access the apps screen.
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 desired:
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 UNLINK next to the appropriate contact.