Find "People"
Press the menu icon.
Press People.
Merge identical contacts
Press the required contact.
Press the merge icon.
If no contacts are suggested:
Press the merge icon next to the required contacts.
Press the merge icon next to the required contacts.
Press Done.
If no contacts are suggested:
Press All contacts or the required social network.
Press All contacts or the required social network.
Press the required contacts.
Press Done.
Exit
Press the Home key to return to standby mode.