Nikon D5100 Firmware - A firmware: Ver. 1.02, B firmware: Ver. 1.01 - Download 11/14/13
http://nikonasia-en.custhelp.com/app/answers/detail/a_id/8079
Nikon D5200 Firmware - C firmware: Ver. 1.01 - Download 11/14/13
http://nikonasia-en.custhelp.com/app/answers/detail/a_id/8085
Nikon D3100 Firmware - A firmware: Ver. 1.02, B firmware: Ver. 1.01 - Download 11/14/13
http://nikonasia-en.custhelp.com/app/answers/detail/a_id/8076
Nikon D3200 Firmware - C firmware: Ver. 1.02 - Download 11/14/13
http://nikonasia-en.custhelp.com/app/answers/detail/a_id/8082
Nikon D5100 D5200 D3100 D3200 firmware Update Download
Nikon D5200 Firmware - C firmware: Ver. 1.01 - Download 11/14/13 http://nikonasia-en.custhelp.com/app/answers/detail/a_id/8085
Nikon D3100 Firmware - A firmware: Ver. 1.02, B firmware: Ver. 1.01 - Download 11/14/13 http://nikonasia-en.custhelp.com/app/answers/detail/a_id/8076
Nikon D3200 Firmware - C firmware: Ver. 1.02 - Download 11/14/13 http://nikonasia-en.custhelp.com/app/answers/detail/a_id/8082