Use the Lorex Support Site for series-specific bin files.
Visit the Hikvision Europe Portal for GUI 4.0 updates. V4.03.r11 H.264 H.265 Dvr Nvr Firmware Download
There are two primary methods to apply the V4.03.R11 update: via USB or through a web browser. Method A: USB Upgrade (Recommended) Use the Lorex Support Site for series-specific bin files
Check the Eye Tech Securities repository for Dec 2025 updates. 3. How to Update Your DVR/NVR V4.03.r11 H.264 H.265 Dvr Nvr Firmware Download