Sony CMD-CD5 Operating Instructions Manual page 57

Problem
Difficult to hear
the other party
Phone loses
network
SIM error
SIM card not
registered
Not able to
receive calls
Unblocking the SIM Card
If you enter the PIN code incorrectly three times, the SIM card is blocked.
To enter the unblock code (PUK) to unblock the SIM proceed as follows:
1 Enter the unblock code and press the Jog
Dial (or press
2 Enter the new PIN (4 – 8 digits) and press
the Jog Dial (or press
3 Enter the new PIN code again and press
the Jog Dial (or press
The SIM is unblocked.
Notes
• If you enter the wrong unblock code (PUK) 10 times, your SIM is blocked
completely. In this case contact your Network Operator/Service Provider.
• In order to receive more information (SIM and PUK), please contact your
Network Operator/Service Provider.
Possible Causes
____
Weak signal
Damaged SIM Card
Network does not
recognise the SIM
card.
Call barring set
Divert set
).
Possible Remedies
Adjust earpiece volume, and reduce
noise around you.
Reconnection, or connection to
another operator is automatic.
Switching phone off and on may
accelerate this.
Please contact your service provider.
Please contact your service provider.
Check incoming call barring settings.
Check call divert settings.
).
).
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