LG K100 Manual Del Usuario página 213

Message Possible causes
Files do not
Unsupported file format
open
The screen
does not turn
Proximity sensor problem
on when I
receive a call.
No sound Vibration mode
Hangs up or Intermittent software
freezes problem
Appendix
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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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