In Case of Problems
94
No signal quality is dis-
played.
− No network connec-
tion. The mobile phone
is in a location where
there is no network
service. Move to a dif-
ferent location or con-
tact your service provi-
der.
Keypad does not func-
tion or only functions
very slowly.
− The operating speed of
the display is reduced
in the case of low tem-
peratures. This is nor-
mal. Use the phone in
a warmer location.
A message appears in
the display for some
functions, indicating ex-
ecution/use is not pos-
sible.
− Many functions can
only be used after the
respective service has
been applied for. Con-
tact your service provi-
der for more details.
Service−Hotline Germany: Tel. 0180 5 001388, cost via German landline at time of going to print:
14 ct/min., different costs possible via mobile telephone systems
Summary of Contents for M 4500
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