Nikon D300 User Manual page 525

8. Check the
in place. Format the memory card containing the
upgrade files immediately.
9. Take pictures with your camera's new firmware in place.
The steps above are merely an outline of the more
comprehensive Nikon instructions that come with each
firmware update. The steps could change, so please check the
Nikon instructions and understand them before starting the
process.
My Recommendation: Personally, I always update my
cameras as soon as a new firmware version is available.
Nikon publishes the major features covered by the update on
its website. Do a Google search on "firmware update Nikon
D300" (or
http://support.nikontech.com
information there,
instructions.
The reason I always upgrade my camera is because I figure
that Nikon is not going to publish every little bug it has fixed
in each firmware upgrade, and I want all mine fixed. I've
never yet—in 8 years of upgrading the firmware on my
Nikons—had a failure or problem. I just followed the
published directions and all was fine. It's an easy process!
Firmware version
D300S) and
including
525
again to see if the update is
then look
website. You'll find upgrade
downloadable
for the
files and