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Display
In
Display
, select your display settings:
Brightness
Drag the slider to change the
display brightness.
Wallpaper
Set the wallpaper of the device.
Sleep
After the selected time
duration, the screen switches
off automatically. To save battery
power, select a low value.
Font size
Select font size for the on-screen
display.
Storage
In
Storage
, learn the space information about
the internal storage and SD card on your
PI3900B2/55
.
In
Storage
>
Erase SD card
, you can erase all
the data that you have stored on the SD card.
USB computer connection
In
Storage
, tap >
USB computer connection
on the top bar. You can select how to connect
PI3900B2/55 to a PC through the USB cable, as
a mass storage device or MTP device.
Battery
In
Battery
, check the battery use by
applications.
Apps
In Apps, manage the apps on the internal
storage of PI3900B2/55.
Location services
• In
Location services
, switch on or off
Google's location service
.
»
If the function is enabled, the tick box
is selected.
»
You can allow or disallow your location
information to be used in online
location services of Google, such as
Maps, or other relevant services and
applications.
• In
GPS satellite
, switch on to use the
location services that requires GPS
assistance.
Security
Screen lock
By default, to unlock the screen of
PI3900B2/55
,
press the power/ lock button and then, drag the
lock to an icon.
In
Screen lock
, you can set a pattern, pin, or
password as the unlock security. To unlock the
screen, such unlock security is required.
None
Switch off the lock.
Slide
Slide to unlock the screen
(default).
Face
Unlock
Set face recognition as the unlock
security.
Pattern
Set a pattern as the unlock
security.
PIN
Set a PIN that consists of
numbers.
Password
Set a password that consists of a
combination of numbers, letters,
and symbols.
Visible passwords
Your password consists of several characters. To
make sure that you have entered the characters
correctly, show the characters as you type the
password. Switch
Make passwords visible
on or
off as needed.
• Tap the tick box.
»
If the function is enabled, the tick
box is selected.