I have a Uniden DB1 (16-24v version of Hikvision DS-KB6003-WIP I believe) (others by NSC, RCA etc. of course)
I tried digicap.dat firmware v1.4.62 build 180809 from Hikvision:
DOWNLOAD EU PORTAL
It rebooted fast (too fast) and came back to my original 180726. All my other updates were fine...