Settings; Airplane Mode; Device - Zte Grand X 2 Z850 User Manual

Settings

Airplane mode

In areas where the use of mobile devices is restricted, you can activate
Airplane mode to disable phone functions but still use apps such as the
calendar, music and games. You will not be able to make/answer calls or
send/receive messages in Airplane mode.
1. On the home screen, press the icon then select Settings > Airplane
mode.
2. To turn on Airplane mode, touch OFF and slide it to the right. 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
To control notification sounds, press the icon on the home screen then
select Settings > Sound & notifications.
-Volume: Set volume for ringtones, media, alarms and notifications.
-Default notification ringtone: Select your default notification ringtone.
Display
Touch Settings > Display.
Brightness level: Adjust the brightness of the screen.
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