LG LG-X240F - Page 83

Message
Possible causes
Possible corrective measures
Files do not
Unsupported file format
Check the supported file
open
formats.
If you use a protection tape
The screen
or case, make sure it has not
does not turn
Proximity sensor problem
covered the area around the
on when I
proximity sensor. Make sure that
receive a call.
the area around the proximity
sensor is clean.
Check the settings status in the
No sound
Vibration mode
sound menu to make sure you
are not in vibration or Do not
disturb mode.
Appendix 82