Problem Potential cause/solution
Failed call
The
phone's
display
is blank/
black.
•
Check the phone num-
ber and area code. Enter
all phone numbers with
the area code!
•
Make sure the balance
on your SIM card is ad-
equate.
•
Has the SIM card been
correctly inserted?
•
Is a suffi ciently strong
network signal present?
•
The mobile phone is
in energy-saving mode.
Push any key.
•
The mobile phone is de-
activated. Turn the mo-
bile phone on.
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