May 18, 2020 Open a Finder window and connect your device to your computer using a USB cable. Your device appears in the sidebar of the Finder window. Click the device to select it. If prompted, trust your device. Select the type of content that you want to sync or remove. To turn syncing on for a content type, select the checkbox next to Sync.
CMD+Shift+g means to hold down the command & shift keys & then tap the 'g' key. This shortcut is built into the Finder; you don't need to add it.
You can see this indicated in Finder's 'Go' menu: next to 'Go to Folder…' you will see '⇧⌘G' to help you remember this keyboard shortcut.
Finder App Shift G Mac And Paste
The hollow up arrow is the system wide menu symbol for the shift key. You will also sometimes see the ⌥ symbol (for the option key) & the ^ symbol (for the control key) in menus. They are all modifiers keys that you hold down while typing other keys to modify their behavior.