Operating instructions

Trouble Shooting
99
Keypad does not
function or only
functions very slowly.
− The operating speed of
the display is reduced
in the case of low
temperatures. This is
normal. Use the phone
in a warmer location.
A message appears in
the display for some
functions, indicating
execution/use is not
possible.
− Many functions can
only be used after the
respective service has
been applied for.
Contact your service
provider for more
details.
Screen frozen or no
response when
pressing keys.
− Remove the battery for
3 minutes and try
again.
No connection to the
mobile
telecommunication
network.
− Contact your service
provider.
The Insert SIM"
message appears in the
display.
− Ensure that the SIM
card has been installed
correctly. Contact your
service provider, if
necessary.