The Firmware

SJ4000 - January 2014 (Only old LCD / PCB)
Old LCD / PCB (version 20140110V1)

SJ4000 - May / June 2014 (TV mode only available for new LCD / PCB)
New LCD / PCB (version N201405270Zv01)
Old LCD / PCB (version 20140616V1)

SJ4000 - July 2014 (including OSD mode.)
New LCD / PCB (version N20140714V05 SJCAM-SJ4000)

Latest firmware (Only new LCD / PCB)
New LCD / PCB (version N2014110729V02 SJCAM-SJ4000)
(20140707V01 SJCAM-SJ4000 is equivalent. Use this FW the latest Cams are supplied.)