Samsung Galaxy S5 User Manual page 23

Quick Settings
In addition to notifications, the Notification panel
also provides quick access to device functions such
as Wi-Fi, allowing you to quickly turn them on or off.
To view additional Quick settings:
► Swipe left or right across the visible icons.
– or –
Tap
Notification Panel Settings
To customize the Notification panel:
► From a Home screen, tap
Settings > Notification panel.
Know Your Device
Apps >
17 Notification Panel