LG KS20 - Smartphone 128 MB User Manual page 23

5. Touch keys may not work normally if
a mobile phone case or plastic cover
is covering them.
6. Keep metal and other conductive
materials away from the surface of
the touch keys, as contact with them
may result in an error.
7. This phone allows to use a pen or a
stylus to select Menu. Also you can
use your finger to select Menu.
Use the tip of your finger may not
press the key correctly.
8. Touch key cannot be activated
properly in hot and humid
environment.
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