Nyx LUX User Manual page 49

 Check if the Phonebook is full. If so, you may have to delete some
records in order to accommodate new ones.
12. The caller cannot leave a voicemail message
 Contact your local network service provider

Make sure that the voice mail number you have saved is correct.
 If the network is busy, try again after a few minutes.
13. Messages cannot be sent/received

You may have to delete some old or saved messages, as the
message capacity of the phone is limited.

Contact your local network service provider and verify your service
center number.
14. PIN is entered incorrectly three times

Enter the PUK code (PIN Unlock Code). This code usually comes with
the SIM card upon purchase. Otherwise, contact your local service
provider.
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