LG G4 User Manual page 99

Message
Impossible
to receive/
send SMS
and photos
Files do not
open
The screen
does not
turn on
when I
receive a call
No sound
Hangs up or
freezes
Troubleshooting
Possible causes
Memory full.
Unsupported file
format.
Proximity sensor
problem.
Sound profile.
Intermittent software
problem.
Possible corrective measures
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
Vibrate only or Silent mode.
Try to perform a software update through
the website.
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