ACTION CAM突然FOCUS唔到!!!HELP!!!有片

ACTION CAM突然FOCUS唔到!!!HELP!!!有片
https://www.youtube.com/watch?v=dbO2oI07_4I&feature=youtu.be

一直好地地, 昨日突然咁樣...
FOCUS唔到... RESET過又係咁, 換卡換電都係咁, FIREWARE已經係最新...
鏡頭面無油... 有冇解決方法>.<