English

 

 

 

 

SIM card error

 

 

 

SIM card damaged

Check the condition of the SIM

 

card. If it is damaged, contact the

 

network operator.

 

 

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 the network operator.

 

 

No coverage of GSM service

Contact the network operator.

 

 

Signal too weak

See Weak signal below.

 

 

 

 

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

Hang up and redial. This may

relay

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

Contact the network operator.

subscribed from network

 

 

 

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Doro 338GSM manual SIM card error, Failure to connect to network, Weak signal, Echo or noise, Failure to add a contact