
9
Attention:
Charge
the
phone
in
a
well
ventilated
place
in
which
the
temperature
is
from
‐
10
o
C
to
+55
o
C.
Use
the
charger
provided
by
the
manufacturer
only.
The
use
of
unconfirmed
charger
may
lead
to
dangers
and
violate
the
manufacturer's
warranty
clause.
If
the
temperature
is
too
high
or
too
low
during
the
charge,
the
device
will
automatically
send
a
warning
and
stop
charging
to
avoid
damage
to
the
battery
or
any
danger.
Connecting
to
Network
SIM
Card
Insert
valid
SIM
card
(Subscriber
Identity
Module)
before
using
the
device.
All
information
related
to
the
reach
of
the
network
is
recorded
in
the
chip
of
SIM
card,
including
the
name,
phone
number
and
messages
stored
in
the
SIM
card
contacts.
In
case
of
losing
or
damaging
SIM
card
information,
users
should
avoid
touching
the
metal
touching
side
and
keep
SIM
card
away
from
electrical
and
magnetic
field.
Inserting
and
Removing
the
SIM
Card
Switch
off
the
device,
and
remove
the
battery
and
other
external
power
supply.
Insert
the
SIM
card
into
the
card
slot.
Please
switch
off
the
phone
and
remove
the
battery
before
removing
the
SIM
card.
Warning:
Damages
could
happen
to
your
SIM
card
if
the
device
is
not
switched
off
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