V402r11 H264 H265 Dvr Nvr Firmware Download New! High Quality May 2026

V4.02.R11

The firmware is a specialized system update for high-quality DVRs and NVRs based on Hisilicon SoC hardware (such as Hi3520A, Hi3521, and Hi3536). This firmware version supports both H.264 and H.265 video compression standards, which can reduce video file sizes by up to 50% compared to older methods while maintaining high image quality. Essential Firmware Features

• Format a USB flash drive to FAT32.
• Place the firmware file in the root directory (do not place it in a folder).
• Insert the USB into the DVR/NVR.
• Navigate to the Upgrade section in the menu and select the file from the USB.
• Crucial: Do not turn off the power during the update process. Wait for the system to reboot automatically.

V4.02.R11

V4.02.R11 H.264/H.265 DVR & NVR Firmware: A Complete Guide The firmware is a critical system update designed specifically for Hisilicon SoC-based digital video recorders (DVRs) and network video recorders (NVRs). This firmware version supports high-efficiency video coding, including both H.264 and H.265 (HEVC) , ensuring high-quality video compression and storage optimization for modern security systems. Why You Need the V4.02.R11 Update v402r11 h264 h265 dvr nvr firmware download high quality

Identification

: Look at the "System" row (e.g., V4.02.R11.00031095.12001 ). The middle 8 digits (e.g., 00031095 ) represent your specific hardware version. 3. Download Sources Format a USB flash drive to FAT32

• DVR v402r11-04Q (H.264 only)
• NVR v402r11-08E (H.265 + H.264)
• Hybrid v402r11-16P (PoE, H.265)