Ds-2cd2955fwd-is Firmware ((better)) -

Because this camera relies on a fisheye lens, the internal processor does heavy lifting to "de-warp" the image (flatten the curved panoramic view into a readable flat image). Firmware updates often contain improvements to this dewarping algorithm, making them vital for image quality.

If the status LEDs do not light up or you cannot ping the camera after an update: ds-2cd2955fwd-is firmware