Delete contacts
You can delete contacts created and stored on your phone. If the contact is synced from a social network 
account, you need to delete the contact in that account. For example, a Facebook contact must be deleted 
from within your Facebook account. Or, hide Facebook contacts on your phone by filtering your contact list.
Delete one contact
1.
Open the   Contacts app.
2. Touch the person's name.
3.
Touch   > Delete and confirm the deletion.
Delete multiple contacts
1.
Open the   Contacts app.
2. In your contact list, touch & hold the first contact.
3. Touch the other contacts to delete.
4.
Touch  .
Contacts, calls, voicemail : Contacts 132