LG T375 User Manual page 127

Message
Impossible
to receive/
send SMS &
Picture
Files not
open
The screen
does not
turn on when
I receive a
call.
Hang up or
freeze
Possible Causes
Memory full
Unsupported file
format
Proximity sensor
problem
Intermittent software
problem
Possible Corrective
Measures
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.
Take out the battery
and insert battery.
Turn on the phone.
Try to do software
update service via
web site
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