LG K580 Mode D'emploi page 357

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.
Press and hold the Power/Lock
Key + Volume Down Key for
about 11 seconds to reset your
device.
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