9
Storage
Select
the
preferred
installation
location,
and
view
storage
space
Battery
Check
the
battery
power
consumption
Application
View
what
has
been
downloaded,
SD
card,
running
all
applications
Accounts and Synchronization
Add
Account
sync
Location-based services
My
position:
to
select
the
location
using
services.
Security
●
Set
up
screen
lock.
●
turn
on
or
off
the
password
visible.
●
to
select
the
Device
Manager.
●
to
select
whether
or
not
to
use
security
credentials.
●
choose
whether
to
install
encrypted
certificates
from
SD
card.
●
Clear
credential
storage
of
all
content
Language and input method
Setting
the
language
and
default
input
method
Backup and reset
To
reset
DRM
and
restore
the
factory
settings
Date and Time
●
turn
on
or
turn
off
automatic
date
&
time.
●
to
set
the
date,
time
zone,
and
time.
●
to
select
the
time
and
date
format.
Timer switch
The
settings
automatically
start
and
auto
‐
off
time.
Auxiliary functions
●
large
font:
open
the
function
menu
is
displayed
in
large
font
●
press
the
"Power"
button
to
end
a
call:
open
the
function
call,
press
the
"Power"
button
to
end
the
call
and
not
turn
off
the
screen.
Developer Options
Specific
operation,
please
refer
to
the
phone,
remember
to
exercise
caution,
should
problems
restart
the
phone
or
to
restore
the
factory
settings
About phone
View
status
messages,
legal
information,
model
and
version
information.
