Follow the below mentioned steps toAdd New Contacts:
Click on the Arrow icon on the right side of "Phonebook" menu
Click on the name of the Group in which the contact is to be added
Click on the "Add Contacts" button
Fill the contact details and under "Choose Groups" field, select the groups in which the contact is to be placed and press the "Add" button to add the contact
See our article on the process of searching a contact: Click Here