ZTE Grand X - Manual (Page 26)

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Settings
Airplane mode
In areas where the use of mobile devices is restricted, you can activate the
Airplane mode to disable phone function but still use other functions of your
phone such as calendar, music and games. You will not be able to make/answer
calls, send/receive messages in Airplane mode.
1. On the home screen, touch the Menu key and then touch System Settings >
More….
2. Check the box for Airplane mode. The phone will turn off all wireless
connections when Airplane mode is enabled.
Tip：
On the home screen, you can press and hold the Power key, then select
Airplane mode.
Device
Sound
Touch the Menu key and then touch System Settings > Sound.
-Volumes: Set volume for ringtones, media, alarms and notifications.
-Default notification sound: Select your default notification ringtone.
-Dial pad touch tones: Check to play a sound when you touch dial pad.
-Touch sounds: Check to play a sound when you touch buttons, icons and other
onscreen items.
-Screen lock sounds: Check to play sounds when locking and unlocking the
screen.