User manual
Page 9 of 48
huge
risk
when
you
install
or
repair
this
phone
by
yourself,
which
also
goes
against
the
warranty
rules.
Fittings
and
battery
You
shall
use
the
fittings
and
battery
acknowledged
by
the
phone
manufacturer
only.
Using
unauthorized
accessories
may
tamper
the
warranty
of
the
device.
Emergency
call
You
may
enter
a
telephone
number
(112,
etc.)
to
ask
for
emergency
help
after
making
sure
that
the
phone
has
been
turned
on
and
is
in
the
service
status.
Press
the
Send
Key
to
call
out.
Working
temperature
The
working
temperature
for
the
phone
is
between
0
℃
and
40
℃
.
Please
don’t
use
the
phone
outside
the
range.