Search results

HI, i have DS-2CD2142F-IS with firmware V5.2.5 build 141201. The Serial N. contain "CH" but the interface language is english. I would like to update to a newer firmware version starting from v5.3.0 (Then v5.4.0->v5.4.5). I can't find the firmware v5.3.0 in DOWNLOAD PORTAL. I tried to update to...