SJCAM Singapore - October Firmwareupdate for SJCAM SJ4000... | Facebook
SJCAM SJ4000 WIFI PLUS FIRMWARE UPGRADE v.2.5 v.2.8 - YouTube
SJCAM - Check out our support pages at support.sjcamhd.com! We've just posted new firmwares for most of the cameras: SJ4000 Firmware v. 1.5 SJ4000 Wifi Firmware v.1.3 SJ4000+ Firmware v.2.9 SJ5000+ Firmware
SJ4000 - Buttons not working properly after update | DashCamTalk