LG D520 - Manual (Page 112)

110
Troubleshooting
Message Possible causes Possible corrective measures
The screen
does not
turn on
when I
receive a
call.
Proximity sensor
problem
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.
No sound Vibration mode
Check the settings status in the
sound menu to make sure you are not
in vibration or silent mode.
Hangs up or
freezes Intermittent software
problem Try to perform a software update via
the website.