The firmware file is usually named digicap.dav . Ensure it is extracted from any .zip folder before use. 2. How to Perform the Upgrade
series DVR, you must first identify the exact hardware revision (e.g., K1, M1, or S), as installing the wrong version can "brick" your device. Download File Firmware_DVR_HIKVISION_DS-7104HQH...
Never turn off the DVR during the update. A power failure during this process can cause permanent hardware damage. The firmware file is usually named digicap