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I went to the Kodak site and it was pretty confusing.  Four different
downloads, the only one you should be concerned about is
Kodak Firmware Upgrade V3.30.  Download file, connect camera
to computer, turn dial to connect, turn camera on, then double click
V3.30.exe icon.  It will download new software to your camera.  After
download is complete, view pdf file and it will explain what the new
software will do in your camera.  It's pretty straight-forward, just read
the download and installation instructions on page.  When finished,
you can turn dial on back of camera to preferences, scroll down to about,
and if it worked it will say version 3.30.  This only works for Kodak DC210
and upgrades it to DC210plus.  Other camera manufactuers may have the
same type of upgrade.  Check with your camera manufacturer for more
information.  Hope this helps.
ferret-3
ftp://ftp.kodak.com/web/service/manuals/dc210ips015.pdf