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When device is locked Touch to select whether to show all notifications
content, or don't show notifications at all when
device is locked.
App notifications Touch to block, set priority, or allow peeking for
app notifications.
Notification access Touch to view the notification listeners.
Do Not Disturb access Touch to view installed apps that have requested
Do Not Disturb access.
Power on/off ringtone
Turn on the switch to enable ringtone when
you switch on or off your phone.
10.2.4 Apps
You use the Apps settings to view details about the applications installed on
your phone, to manage their data and force them to stop, to set whether you
want to permit installation of applications that you obtain from websites
and emails, etc.
10.2.5 Storage & USB
Use these settings to monitor the total and available space on your phone
and microSD card; and to manage your microSD card.
10.2.6 Battery
In the Battery screen you can select whether to display battery percentage in
the status bar or to enable intelligent power saving.
You can also view the battery usage data since your last full charge. The
screen also shows your battery status and how long it can still be used before
your next charge. Touch one category, then you can learn its specific power
consumption.
You can adjust power use via the screen brightness or screen timeout in the
Display settings.
10.2.7 Memory
Open this setting to monitor your total memory, available space, and
memory usage data.