Frequently changed settings such as Wi-Fi or Sound & Vibrate mode can be changed easily in Quick Settings in the notifications panel.
Pull the Status bar down to open the notifications panel. Settings can be changed simply by tapping the various icons in Quick Settings.
Edit: The order or type of icons in Quick Settings can be changed. The volume and brightness control bar display settings can also be changed.
Settings: This brings up the detailed settings screen.
Select User: The user account can be selected.
Quick Settings icon: Frequently used settings can be turned on or off with a single tap.
Brightness control bar
Screen share: This shares your phone screen with a TV.
Allow file receiving: This allows devices nearby to search and send files to your phone.