Devices not apearing in Finder sidebar

In Finder, click on Finder (at the menubar), Preferences, Navigation bar. Look under Locations and check CD’s, DVD’s and iOS devices

My Finders shows iPods....nothing about iOS devices.

Have a look here https://www.imore.com/iphone-not-showing-finder-heres-fix

In Finder, you are looking at Preferences and under the first tab: General. Click on the third tab: "Sidebar"