LG -D390n Benutzerhandbuch Seite 368

Message
Number not
allowed
Impossible
to receive /
send SMS &
photos
Files do not
open
The screen
does not turn
on when I
receive a call.
No sound
Hangs up or
freezes
64
Possible causes
The Fixed dialling
number function
is on.
Memory full
Unsupported file
format
Proximity sensor
problem
Vibration mode
Intermittent software
problem
Possible corrective measures
Check the Settings menu and turn the
function off.
Delete some messages from your phone.
Check the supported file formats.
If you use a protection tape or case, make
sure it has not covered the area around the
proximity sensor. Make sure that the area
around the proximity sensor is clean.
Check the settings status in the sound menu
to make sure you are not in vibration or
silent mode.
Try to perform a software update via the
website.