Operation Manual

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3. Select the Silent check box to silence all sounds except alarms, music, and
videos.
Changing the Message Ringtone
1. On the home screen, touch .
2. In the message list, touch > Settings > Notifications > Sound.
3. In the list of ringtones, select your desired one.
4. Touch OK.
Display Settings
1. On the home screen, touch > Display.
2. On the Display screen, you can:

Touch Wallpaper to set the lock screen and home screen wallpapers.

Touch Brightness to adjust the screen brightness. To manually adjust the
brightness, clear Automatic brightness.

Touch Sleep to set a screen timeout period. If idle for the specified period, your
phone automatically locks its screen to save battery power.

Touch Daydream to control what happens when the phone is sleeping.

Touch Font size to change the display font size.
Date and Time Settings
If your mobile phone uses the date and time settings provided
automatically by the network, you cannot manually set the date, time, and
time zone.
1. On the home screen, touch .
2. Touch Date & time. On the Date & time screen, you can:

Select the Automatic date & time and Automatic time zone check boxes to
use the network date and time.

Clear the Automatic date & time and Automatic time zone check boxes to
manually set the date, time, and time zone.

Select or clear the Use 24-hour format check box to switch between the
12-hour and 24-hour formats.