English (US)
Failure to connect to network
SIM card invalid
Contact your service provider.
No coverage of GSM
service
Contact your service provider.
Weak signal
Too far from base
station
Try again from another location.
Network congestion
Try calling at a later time.
Echo or noise
Regional problem from
bad network relay
Hang up and redial. This may switch to another
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
Contact your service provider.
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