Add a new contact: Tap ‘+’ and add Name, Phone, Email and more (an address and notes) then tap Save

Search for a contact: Tap the search icon and type

Favourite contacts: Tap on a contact you use often, then tap on the Favourite star in the bottom tool bar

Edit a contact: Tap on contact then tap on Edit in the bottom tool bar,scroll through the different areas (including setting a ring tone for this contact only), make changes then tap Save

Manage contacts app: Add an email contact account and/or switch between

Change Contacts Settings: Tap on three lines to see account choices, Groups, Manage contacts and Recycle bin and tap on the settings cog top right and make useful changes