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To monitor and control what uses the
battery
From the Home screen, tap the Menu/
Search Key and tap System settings
> Power saver > Battery use.
The top of the screen displays battery usage
time. It lists all of the applications or services
using battery power from the greatest amount
of energy used to the least amount.
3. Installing an Open Source
Operating System
Installing an open source operating system
on your phone and not using the operating
system provided by the manufacturer can
cause your phone to malfunction.
1
2
Warning
If you install and use an operating
system other than the one provided
by the manufacturer, your phone is
no longer covered by the warranty.
To protect your phone and personal
data, download applications only
from trusted sources, such as Play
Store. If some applications are not
properly installed on your phone,
your phone may not work properly-
or serious errors may occur. You will
need to uninstall those applications
and all of its data and settings from
the phone.
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•
4. Using the Swipe, Face
Unlock, Pattern, PIN, or
Password
Set the Face unlock, or an unlock Pattern,
PIN, or Password to secure your phone.
To set the screen lock, follow the process
below.
From the Home screen, tap the Menu/
Search Key
, tap System settings >
Lock screen > Select screen lock and
select a desired screen lock from None,
Swipe, Face Unlock, Pattern, PIN and
Password.
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