User manual

In Case of Problems
90
No signal quality is
displayed.
− No network
connection. The mobile
phone is in a location
where there is no
network service. Move
to a different location or
contact your service
provider.
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.
Service−Hotline: Tel. [phone]