LG G3 User Manual page 116

Message
The screen
does not
turn on Proximity sensor
when I problem
receive a
call.
No sound Vibration mode
Hangs up Intermittent
or freezes software problem
Possible causes Possible corrective measures
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.
115