18
Developer
Options
Select
whether
to
turn
on
this
function
and
choose
the
options
in
the
list.
About
Phone
To
check
status,
legal
information,
etc.
System
Update
Through
WLAN
and
high
‐
speed
wireless
network,
you
can
wirelessly
upgrade,
convenient
stay
at
home
to
update
the
latest
software,
have
better
experience
to
the
mobile
phone
of
new
features,
and
have
a
better
experience
with
the
optimized
functionality.
select
Auto
System
Update
to
set
update
check
interval.
20.
Sound
Recorder
The
phone
supports
sound
record
function,
recorded
files
will
be
saved
with
different
quality.
21.
ToDo
In
this
menu,
you
can
check
to
‐
do
items
or
done
items.
Press
+
or
Tap
to
add
new
ToDo
to
add
new
item.
When
finish
the
item,
press
DONE
to
save.
22.
Video
Player
You
can
use
Video
Player
to
view
or
manage
videos.
23.
Voice
Search
You
can
use
the
voice
search
function
to
search
via
search.
Before
using
this
function,
you
need
to
check
the
network
settings.
Widgets
In
the
widgets
list,
you
can
select
desired
widget
to
add
to
idle
screen.
Care
and
Maintenance
Battery
Care
•
Your
device
is
powered
by
a
rechargeable
battery.
When
the
power
is
weak,
please
charge
the
battery.
In
order
to
extend
the
lifespan
of
the
battery,
use
all
the
battery's
power
before
recharging.
•
Unplug
the
charger
from
the
electrical
plug
and
the
device
when
not
in
use.
Do
not
leave
the
battery
connected
to
a
charger
more
than
a
week.
Overcharging
may
shorten
its
lifespan.
•
Extreme
temperatures
can
affect
the
ability
of
your
battery
to
charge.
Battery
needs
the
fit
temperature.
If
the
surrounding
temperature
is
over
40°C,
the
battery
cannot
be
charged.
•
Use
the
battery
only
for
its
intended
purpose.
Never
use
any
charger
or
battery
that
is
damaged.
Do
not
short
‐
circuit
the
battery.
Accidental
short
‐
circuiting
can
occur
when
a
metallic
object
such
as
a
coin,
clip,
or
pen
causes
direct
connection
of
the
positive
(+)
and
negative
(
‐
)
terminals
of
the
battery.
(These
look
like
metal
strips
on
the
battery.)
Short
‐
circuiting
the
terminals
may
damage
the
battery
or
the
connecting
object.
Summary of Contents for S5017
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