The top of the Notifications panel includes Quick Settings. These icons allow quick and easy access to set modes including Sound, Bluetooth, GPS, Airplane and Data. Tap Edit to open a dialog box to customize your Quick Settings by checking the items you want to appear.
Tap any of the Quick Settings to toggle through the available settings:
QuickMemo activates the ability to write on the current Home screen canvas.
Sound , Vibrate , and Silent .
Bluetooth On and Bluetooth Off .
NFC On and NFC Off .
GPS On and GPS Off .
Airplane mode On and Airplane mode Off .
Sync On and Sync Off .
Rotation On and Rotation Off .
100% brightness , 50% brightness and no brightness .
Data On and Data Off .
If necessary, scroll horizontally to see all of the available icons.