LG KS20 User Manual page 12

6. Keep metal and other conductive
materials away from the surface of
the touch keys, as contact with them
may result in an error.
. This phone does not allow to use
a pen or a stylus to select menu. If
you use a pen or a stylus, the menus
cannot be activated properly. Use
the phone by only finger.
. Touch key cannot be activated
properly in hot and humid
environment.
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