LG A270 Guide De L'utilisateur page 128

Troubleshooting
Message
Number not
permitted
Impossible to
receive/send
SMS & Picture
Files not open
The screen does
not turn on
when I receive
a call.
38
Possible Causes
The Fixed Dial Number
function is on.
Memory full
Unsupported file format
Proximity sensor problem
Possible Corrective Measures
Check settings.
Delete some existing messages in the phone.
Check the file format that can be supported
If you use any protection tape or case, check it is
covered the area around proximity sensor
Make sure that the area around the proximity
sensor is clean.