Nikon updated its firmware for entry level DSLR and pro compact camera, these firmware updates are available for download from Nikon USA website.
COOLPIX P7700 Firmware Update 1.3
Remaining battery charge is now accurately detected for Rechargeable Li-ion Battery EN-EL14a.
By upgrading firmware to Ver. 1.3, EN-EL14a performance is maximized so that more images can be captured (battery performance) than when an EN-EL14 is used.
Download from here
D5200 Firmware Update C 1.01
The remaining battery charge is now accurately detected for the Rechargeable Li-ion Battery EN-EL14a.
With C firmware ver. 1.00, the number of images that can be captured (battery life) when an EN-EL14a is used is less than when an EN-EL14 is used. By upgrading C firmware to ver. 1.01, EN-EL14a performance is maximized so that more images can be captured (battery life) than when an EN-EL14 is used.
Download from here
D5100 Firmware Update 1.02
With A firmware ver. 1.01/B firmware ver. 1.01 or earlier, the number of images that can be captured (battery life) when an EN-EL14a is used is less than when an EN-EL14 is used. By upgrading A firmware to ver. 1.02 and B firmware to ver. 1.01, EN-EL14a performance is maximized so that more images can be captured (battery life) than when an EN-EL14 is used.
Click here to download
D3200 Firmware Update C 1.02
The remaining battery charge is now accurately detected for the Rechargeable Li-ion Battery EN-EL14a.
With C firmware ver. 1.01 or earlier, the number of images that can be captured (battery life) when an EN-EL14a is used is less than when an EN-EL14 is used. By upgrading C firmware to ver. 1.02, EN-EL14a performance is maximized so that more images can be captured (battery life) than when an EN-EL14 is used.
Click here to download
D3100 Firmware Update 1.02
The remaining battery charge is now accurately detected for the Rechargeable Li-ion Battery EN-EL14a.
With A firmware ver. 1.01/B firmware ver. 1.01 or earlier, the number of images that can be captured (battery life) when an EN-EL14a is used is less than when an EN-EL14 is used. By upgrading A firmware to ver. 1.02 and B firmware to ver. 1.01, EN-EL14a performance is maximized so that more images can be captured (battery life) than when an EN-EL14 is used.
Click here to download