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Turning on or turning off
airplane mode
Your phone's signal reception or transmission
may interfere with an airplane's flight system.
Power off your phone or switch to airplane mode
as required when you are on a flight. In airplane
mode, your phone's wireless features are
disabled, but you can still listen to music or play
games.
Use either of the following methods to turn on or turn
off
Airplane mode
:
•
Press and hold the power button, and touch
Airplane mode
.
•
On the home screen, touch . Under
All
, touch
Airplane mode
.
When airplane mode is on, is displayed on the
status bar.
Adjusting the screen brightness
1.
On the home screen, touch .
2.
Under
All
, touch
Display
.
3.
Touch
Brightness
.
4.
Drag the slider left or right to adjust the screen
brightness.
You can also flick down from the status bar to
open the notification panel and adjust the screen
brightness using the shortcut switch.
Modifying tone settings
1.
On the home screen, touch .
2.
Under
All
, touch
Sound
.
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