operation manual

70 Troubleshooting
The symbol is
not displayed
The network connection is
lost. Either you are in a radio
shadow (in a tunnel or
between tall buildings) or you
are outside the network
coverage area. Try from
another place, try to reconnect
to the network (especially
when abroad) or contact your
network operator for
assistance/information.
The display doesn’t
respond (or the
display responds
slowly) to key
presses
The display responds more
slowly at very low
temperatures. This is normal
and does not affect the
operation of the phone. Take
the phone to a warmer place
and try again.
In other cases please contact
your phone supplier.
Your phone
doesn’t return to
the idle screen
Press ) or switch off the
phone, check that the SIM
card and the battery are
installed correctly and switch
it on again.
Your phone
doesn’t display the
phone numbers of
incoming calls
This feature is network and
subscription dependent. If the
network doesn’t send the
caller’s number, the phone will
display
Call 1 or Withheld
instead. Contact your operator
for detailed information on
this subject.
You can’t send text
messages
Some networks don’t allow
message exchanges with other
networks. First check that you
entered the number of your
SMS centre, or contact your
operator for detailed
information on this subject.
You can’t receive
and/or store JPEG
pictures
A picture may not be accepted
by your mobile phone if it is
too large, if its name is too
long, or if it doesn’t have the
correct file format. See
page 36 for complete
information on this subject.