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When I touch the surface of my iPhone 4, it doesn't always register.

How does the display work? Heat? Charge? What can I do to make the phone register my touch better?

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up vote 0 down vote accepted

The iPhone has a Capacitive touchscreen so you need to touch with some conductive material.

So the skin on you finger will for example work better than the nail and most gloves, pens etc will not work at all.

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So a moist skin will work better than dry or oiled one. Thanks. – Aaron Digulla Jan 4 '12 at 16:23

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