Doro HandleEasy 330gsm Manual Del Usuario página 56

"No SIM card" indication
1. SIM card damaged
Check the condition of the SIM card. If
the card is damaged, contact the network
operator.
2. SIM card incorrectly installed
Check the SIM card installation.
3. SIM card dirty or damp
Wipe the metal surface of the SIM card with a
clean cloth.
Failure to connect to network
1. SIM card invalid
Contact the SIM card provider.
2. No coverage of GSM service
Contact the network operator.
3. Signal too weak
See "Weak signal" below.
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