From the Contacts tab, tap the contact to be edited.
Tap the Edit icon (located in the upper right).
If presented, tap the preferred account (e.g., Google, etc.).
Enter any of following information then tap Save (located in the upper right). To change the account type, tap the Dropdown menu then tap the desired account (e.g., Google, Tablet, etc.). Depending upon the account type, the options presented may vary.