23
indicates
the
signal
is
the
strongest;
if
below
1
bars,
it
indicates
the
signal
is
very
poor.
Unable
to
dial
out
1.
Maybe
you
have
set
Hide
My
Caller
ID
but
your
network
operator
does
not
provide
this
service
for
you.
2.
Strong
interference
exists
around
you.
3.
Maybe
you
have
activated
the
call
restriction
function.
4.
Maybe
you
have
activated
Line
2
but
your
network
operator
does
not
provide
this
service
for
you.
Unable
to
charge
the
battery
1.
The
battery
may
discharge
too
much;
so
it
cannot
be
charged
until
it
is
connected
for
certain
time.
2.
Its
performance
has
worsened.
Unable
to
register
to
the
network
1.
Too
weak
signals
or
strong
interference.
2.
SIM
card
installed
properly?
Bad
contact
or
SIM
card
damaged?
If
the
SIM
card
is
broken,
please
contact
the
network
operator
to
replace
it.
Unable
to
access
service
menus.
Maybe
the
SIM
card
does
not
support
service
function.
Only
part
of
the
photo
set
as
standby
photo
The
size
of
the
photo
may
be
too
big.
The
recommended
size
is
220*176
