LG K520 Benutzerhandbuch Seite 245

Message
Files do not
open
The screen
does not turn
on when I
receive a call.
No sound
Hangs up or
freezes
Appendix
Possible causes
Unsupported file format
Proximity sensor problem
Vibration mode
Intermittent software
problem
Possible corrective measures
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 vibration or no
interruptions mode.
If the screen freezes or the
phone does not respond when
you try to operate it, remove
the battery and reinsert it.
Then power the phone back
on.
Alternatively, try to perform a
software update through the
website.
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