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Input
PUK
code:
Having
input
wrong
PIN
code
for
3
times
straight
will
lock
the
SIM
card.
You
need
to
input
the
PUK
code
provided
by
your
network
provider.
Poor
quality
of
calling
Please
check
if
the
sound
volume
is
tuned
improperly.
In
an
area
with
poor
receiving
condition
for
example:
basement,
the
signal
might
be
weak.
Try
reaching
a
location
with
stronger
signal
reception
and
call
again.
While
using
the
mobile
phone
in
the
peak
period
of
communication,
like
commute
time,
you
may
be
unable
to
call
because
of
line
congestion.
Standby
duration
shortened
The
standby
duration
is
relative
to
the
system
setting
of
network.
While
the
mobile
phone
is
in
an
area
with
poor
signal
strength
and
can
not
receive
the
signal,
the
handset
will
continuously
search
for
a
base
station.
This
will
significantly
reduce
battery
charge.
It
is
recommended
that
you
turn
off
your
mobile
in
area
with
no
signal
reception
to
save
battery.
Need
replacing
the
battery.
Please
change
a
new
battery.
