User's Manual

English
SIM card error
SIM card damaged Check the condition of the SIM card. If it is
damaged, contact your service provider.
SIM card incorrectly
installed
Check the installation of the SIM card. Remove
the card and reinstall it.
SIM card dirty or damp Wipe the contact surfaces of the SIM card with
a clean cloth.
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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