Unifore Security : A comprehensive list of firmware for 4, 8, 16, and 32-channel DVRs based on HiSilicon SoCs.
: Log into your DVR/NVR and navigate to [System Info] > [Version] . v402r11 h264 h265 dvr nvr firmware download high quality
Manual updates are typically performed via a USB flash drive. V4.02.R11 H.264/H.265 DVR/NVR Firmware Download Unifore Security : A comprehensive list of firmware
: The system version typically appears as an array like V4.02.R11.XXXXXXXX . The 8 digits represented by XXXXXXXX are the unique hardware identifier . v402r11 h264 h265 dvr nvr firmware download high quality
A search containing both "h264" and "h265" indicates a hybrid or transitional device. H.264 (Advanced Video Coding) has been the gold standard for over a decade, offering reliable compression at moderate computational cost. H.265 (High Efficiency Video Coding) doubles the compression ratio but requires significantly more processing power.