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PIN code not accepted
Wrong PIN code
entered too many
times
SIM card error
SIM card damaged
SIM card incorrectly
installed
SIM card dirty or
damp
Failure to connect to network
SIM card invalid
No coverage of GSM
service
Weak signal
Too far from base
station
Network congestion
Echo or noise
Regional problem from
bad network relay
Failure to add a contact
Phonebook memory
full
English
Enter the PUK code to change the PIN
code, or contact your service provider.
Check the condition of the SIM card. If it is
damaged, contact your service provider.
Check the installation of the SIM card.
Remove the card and reinstall it.
Wipe the contact surfaces of the SIM card
with a clean cloth.
Contact your service provider.
Contact your service provider.
Try again from another location.
Try calling at a later time.
Hang up and redial. This may switch to
another network relay.
Delete contacts to free up memory.
64
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