"Jeff Liebermann" wrote in message
...
On Mon, 22 Aug 2011 12:54:32 -0400, micky
wrote:

Any particular cell phone? Not all EP connectors are the same. If in
doubt, use an air hose to remove the accumulated lint and filth. If
the contacts are exposed, sharpen a pencil eraser to a point and use
it to clean the contacts. Then use the air hose to remove the crud.

I was taught many years ago NOT to use a rubber eraser to clean contacts.
The theory was that the rubber might leave a sulfur containing residue that
will encourage corrosion.

You may agree or disagree but prudence (a fine girl) dictates caution.