Change the Phone app layout
You can choose to use the Unified layout that combines your Favorites, Recents, and Voicemails in a single tab, or choose the Classic layout to sort them into separate tabs.
Go to the Phone app
on your iPhone.
Tap Calls
or Recents
.
Tap
, then choose one of the following:
Unified: Your favorite contacts, recent calls, and voicemails are combined and displayed in the Calls tab.
Classic: Your favorite contacts, recent calls, and voicemails are sorted into separate tabs.