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Firmware

DH_HCVR4x08-IT_Chn_V4.004.0000001.1.R.260304.Plain.bin

Dahua firmware released Mar 12, 2026. May work with 2 devices.

Released
Mar 12, 2026
Version
V4.004.0000001.1.R
Size
43.8 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
682afe1a9f505f20bad7dc38d37b5566
SHA-256
b9965120330ae3bd65b4eae1073f552ebc6f7f078648a435b6d38c95b18f59a2

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (2 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua: the installer script's board checks, 2 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
Novatek NT98331
Architecture
arm
Bootloader
U-Boot 2019.04-svn9814
Flash
64.0 MB
Image dates
Mar 4, 2026
Security
Signed, upgrade security version 2.00
Flash layout: 12 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
loader0xa00000000xa0040000256.0 KBnot written——
fdt0xa00400000xa0080000256.0 KBfdt.bin.img—2026-03-04
uboot0xa00800000xa02000001.5 MBu-boot.bin.img—2026-03-04
uenv0xa02000000xa02c0000768.0 KBnot written——
rootfs0xa02c00000xa274000036.5 MBromfs-x.squashfs.imgsquashfs2026-03-04
custom0xa27400000xa27c0000512.0 KBcustom-x.squashfs.imgsquashfs2026-03-04
web0xa27c00000xa30400008.5 MBweb-x.squashfs.imgsquashfs2026-03-04
logo0xa30400000xa30c0000512.0 KBlogo-x.squashfs.imgsquashfs2026-03-04
ext_usr0xa30c00000xa37400006.5 MBext_usr-x.squashfs.imgsquashfs2026-03-04
config_fw0xa37400000xa3a400003.0 MBnot written——
config0xa3a400000xa3fc00005.5 MBnot written——
dgs0xa3fc00000xa4000000256.0 KBnot written——

Other files for much of the same hardware, from any vendor.