Never upgrade firmware over a Wi-Fi connection. Always use a wired Ethernet cable.

FTP servers can be configured with automated scripts to overwrite old data, allowing for flexible retention periods without exhausting NVR hard drive space.

: Use the Hikvision UK Portal or the Hikvision EU Portal to find specific firmware for your region.

Firmware downloaded from FTP portals is usually zipped ( .zip or .rar ). Extract the folder to locate the raw digicap.dav file before attempting the upgrade. Method 1: Using the Web Browser UI (Recommended) Log into the Hikvision device's web interface.