hXXP://sj4000.altervista.org/_scandirSJ4000WIFI.php
2014_09
FW_SJCAM_SJ4000_Wifi_092014.bin
2014_11
SJCAM_SJ4000_firmware_20141101.zip
2014_12
SJCAM_SJ4000_WIFI_FW_G20141204V01.zip
SJCAM_SJ4000_WIFI_FW_G20141230V01.zip
2015_01
S4000WIFI_SJCAM_LOGO_20150126.zip
SJCAM_SJ4000_WIFI_FW_20150116.zip
2015_04
SJ4000_WIFI_FW_G20150408V02.zip
2015_08
SJ4000WIFI_20150811.rar
2015_10
SJ4000WIFI_20151009.rar
hxxp://sj4000.altervista.org/_scandirSJ4000.php
2014_06
SJ4000_FW_0605_NEW_PCB.zip
SJ4000_FW_0616_OLDPCB_OLDLCD.zip
2014_07
SJ4000_0714_FW.zip
SJCAM_FW_0729.zip
2014_08
FW_SJCAM_N20140809V01.rar
FW_SJCAM_SJ4000_20140819.zip
2014_12
SJCAM_SJ4000_FW_20141218.zip
2015_06
SJCAM_SJ4000_FW20150624_afterJune2015.rar
SJCAM_SJ4000_FW20150624_beforeJune2015.rar
2015_08
SJ4000_20150811.rar
SJ4000看似需要区分生产时间，以2015年6月24日划分。刷错了会黑屏，不过只要再刷对就能恢复正常。