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Failure to place or receive calls
Call barring activated
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 Delete contacts to free up memory.
Failure to set a function
Function not supported
or subscribed from
network
English
Deactivate call barring. If this does not solve the
problem, contact your service provider.
Enter the PUK code to change the PIN code, or
contact your service provider.
Check the condition of the SIM card. If it is dam-
aged, 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.
Contact your service provider.
53
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