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Changing the app permissions may result in the app not working
correctly or as originally intended.
Special App Access
Open
Settings
and touch
Apps > Special app access
to set
special access options of apps.
Battery
Open
Settings
and touch
Battery
to view the battery level,
check what has been using the battery, enable different battery
saving modes, or optimise apps automatically to improve battery
life.
Display
Open
Settings
and touch
Display
to configure the display
options, including brightness level, Night Light, ZTE Locker,
themes & wallpapers, screen timeout, auto-rotate screen, font
size, etc.
Sound
Open
Settings
and touch
Sound
. Adjust different types of
volume, toggle sound mode (see
Switching to Vibration or Silent
), set Do Not Disturb options (see
), set up ringtone, notification and alarm sound, set DTS
sound effects, and set other sounds and vibration.