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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 Pi3900, 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).
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.
Device administrators
Applications in corporate networks require the
rights of device administrator, such as the email
and calendar under your Microsoft Exchange
account.
Before you uninstall such an application, disable
the rights of device administrator.
In Device administrators, tap an
application.
» The rights of device administrator are
disabled.
» You cannot sync data for the
application.
Unknown sources
On Pi3900, you can install applications that you
download from
, or from sources other than
.
For the applications from sources
other than
, tap Unknown sources
to allow installation on the Pi3900.
» If the function is enabled, the tick
box is selected.
Language & input
Language
In Language, select the language for the
onscreen instructions of Pi3900.
Personal dictionary
In Personal dictionary, add or remove words
or phrases to/ from the user dictionary. You
can customize the word suggestions that are
displayed on the pop-up screen during your
text entry on the Android keyboard.
To add a word or phrase,
Tap
to add a word or phrase.
To edit a word or phrase,
1 Tap on the word or phrase.