LG LG-K220ds, User Manual, Page: 431 / 437

Appendix 101
Message Possible causes Possible corrective measures
Files do not
open
Unsupported file format
Check the supported file
formats.
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 Do not
disturb mode.
Hangs up or
freezes
Intermittent software
problem
Press and hold the Power/Lock
Key + Volume Down Key for
about 10 seconds to restart
your device.