Navigate to your Encode or Video Stream settings. Change the compression type from H.264 to H.265 or H.265+ for all compatible IP or analog HD channels to immediately harvest storage savings.
The V402R11 firmware release is a core system update used by many original equipment manufacturers (OEMs). It powers various hybrid DVRs and NVRs across the security industry. This specific baseline update optimizes video compression, system stability, and network security. Key Technical Specifications Linux-based embedded OS. Video Compression: Dual-stream H.264 and H.265 (HEVC).
Before downloading, you must identify your specific "Version ID" to avoid bricking your device. Log in to your DVR/NVR. Navigate to .
Provides troubleshooting and links for H.264/H.265 DVR firmware. Step-by-Step Firmware Upgrade Guide v402r11 h264 h265 dvr nvr firmware download high quality
Always start here. Brands like Hikvision, Dahua, and Lorex have dedicated support portals where you can search for firmware by your device's exact model number.
: The V4.x series typically features a modernized GUI with better navigation compared to older V3.x versions.
V402R11 improves the hardware-accelerated decoding pipelines of the underlying System on a Chip (SoC). This allows NVRs to achieve higher concurrent playback channels at maximum resolutions (such as 4K or 5MP) while keeping the operating temperature and CPU usage of the device low. Key Benefits of Upgrading to V402R11 Navigate to your Encode or Video Stream settings
With that information, I can help you locate the exact update path for your hardware. Share public link
: Offers a compiled list of V4.02.R11 downloads for various Hisilicon hardware models on the Unifore Firmware Page .
Go to Setup > System Configuration > Maintenance > Upgrade . It powers various hybrid DVRs and NVRs across
above.
Upgrading to V4.02.R11 can resolve several system issues and improve performance:
Reputable third-party sites like CCTV Firmware (.com) maintain large, categorized libraries of files for HiSilicon-based DVRs and NVRs. They offer a good starting point if you know your chipset.