originally V5.2.0 build 140721 http://www.aliexpress.com/item/Hikvision-DS-2CD2732F-IS-3MP-varifocal-IP-cctv-POE-onvif-HD-1080P-security-ir-IP66-outdoor/1972227687.html
flash DS-2CD2x12,2x32 IP camera firmware v5.3.0_150513.zip
edit: Seller wrote back to me now : this camera don't support to be...