Samsung GALAXY S4 Quick Reference Manual page 12

Accessing Additional Functions
In addition to notifications, this screen also provides quick and
ready access to device functions. These can be quickly activated
or deactivated. Scrolling across a horizontal list of functions has
been enhanced with an accessible Grid view.
NOTE: You can select the function buttons you see at the top of the Notifications panel.
Only 5 buttons are shown at any one time.
To activate the Grid view:
X From the Notification panel, tap
display additional functions.
To minimize the Grid view:
X From the Notification panel, tap
show only your primary functions.
To customize the functions displayed:
1. From the Notification screen, tap
display additional functions.
2. Tap
(Edit) then locate the Notifications panel area
located at the bottom of the Notifications panel screen.
3. In a single motion, touch and hold a desired function then
drag it to the top row.
(Open Grid view) to
(Close Grid view) to
(Open Grid view) to
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