Nikon releases new firmware for the V1 and J1: v1.10
New is FT1 support and PixelMapping.
I didn't understand PixelMapping so I contacted Nikon.
PixelMapping is a procedure that could only be done in a Nikon support centre before. Now you do it yourself. What it does is deactivate pixels that are behaving bad and let the surrounding pixels take over that job. It is a 1 way proces: the function can only DEactivate pixels, it cannot REactivate them, so use is only when needed.When too much pixels are closed down the only way out is a sensor replacement.
Nikon says to use it when you see lighter spots in your picture.
Modifications enabled in this version A 1.11, B 1.10 - An issue that sometimes caused images captured using the Speedlight SB-N5 to be over-exposed has been resolved. - When switching from framing photos in the monitor to using the electronic viewfinder, or vice versa, with focus mode set to MF (manual focus) and the display zoomed in, the camera sometimes did not function properly. This issue has been resolved.
See the post below if you prefer to download from Nikon Europe.
There is also a firmware update for the GPS unit. The update is installed by USB connection to a Mac or PC rather than through the camera.
This update fixes a bug where the GPS unit sends the wrong time to the camera. The camera time is often set some hours in the past, possibly related to when the GPS was last used, until the GPS gets a new signal lock. To avoid the bug I had set my camera not to set time from GPS until I learned of this update.
A faulty pixel or single light sensor here and there would not be enough to warrant replacement of the entire chip. The replacement decision probably would depend on how many pixels (often described as “hot” pixels) were bad and how they might be concentrated. They often or usually show up as bright red, green, or blue (RGB) spots in the image that is projected on your computer monitor. Single defective pixels are difficult to spot except at high magnifications so are not always consequential; they usually form an R, G or B colored + sign. Also, in some cases they might show up only in long exposures. I believe there have been discussion on this in other forums and threads; you could do a search.
Mapping eliminates defective or “hot” pixels where screen replacement is not warranted. I do not believe any of my digital cameras have ever had a hot pixel on the chip, although one camera did have a single defective pixel on the screen. I have, however, seen images from, I believe, a D90 that had several “hot” pixels. They were of concern because we were looking for small splotches of color in the images at the time, and the reds we were looking for were close in color value to the defective red pixels. I put “hot” in quotes because I don’t recall if that is the precise terminology for this type of defect.