Nikon has issued a firmware update for the Nikon D4 professional DSLR camera. As with the Nikon D800/D800E, firmware version 1.01 resolves an issue that, on rare occasions, caused the camera to lock up; and addresses a couple of bugs related to network functions and Custom Setting F15. You can download the firmware update from the website below.

Website: Nikon D4 Firmware Update 1.01

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