: Commonly used stable builds include V3.4.89 build 180906 and V4.30.120 . Newer builds like V4.30.122_201107 are also available through regional download portals.
: You must extract the file; the file needed for the DVR is typically named digicap.dav . 3. Complete Upgrade Guide There are two primary ways to apply the update: Method A: Using a USB Flash Drive (Easiest) Format a USB drive to FAT32 . Copy the digicap.dav file to the root of the USB drive. Insert the USB drive into the DVR's USB port. firmware hikvision ds7104hghif1 top