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Firmware

DH_NVR2XXX-I_Mul_V4.002.0000000.3.R.221122.bin

Dahua firmware released Nov 22, 2022. May work with 1 device.

Released
Nov 22, 2022
Version
V4.002.0000000.3.R
Size
101.8 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7673becc054cc9bf299fe588329c583a
SHA-256
40eb2db6982773a46f779abd4deca2070871ed14a572a3ad69e0d0c8f4b1303e

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (1 device). 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 (dahua package (zip variant)).

SoC
HiSilicon Hi3535AV100
Architecture
arm
Bootloader
U-Boot 2010.06-svn2599
Flash
256.0 MB
Image dates
Nov 22, 2022
Security
Signed
Flash layout: 13 partitions, 8 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
miniboot0xa00000000xa0080000512.0 KBminiboot.bin.img—2022-11-22
uboot0xa00800000xa01800001.0 MBu-boot.bin.img—2022-11-22
uboot_brk0xa01800000xa02800001.0 MBnot written——
env0xa02800000xa04800002.0 MBnot written——
romfs0xa04800000xa378000051.0 MBromfs-x.squashfs.imgsquashfs2022-11-22
custom0xa37800000xa39800002.0 MBcustom-x.squashfs.imgsquashfs2022-11-22
web0xa39800000xa488000015.0 MBweb-x.squashfs.imgsquashfs2022-11-22
logo0xa48800000xa4a800002.0 MBlogo-x.squashfs.imgsquashfs2022-11-22
dsg0xa4a800000xa4b00000512.0 KBnot written——
ext_usr0xa4b000000xa740000041.0 MBext_usr-x.squashfs.imgsquashfs2022-11-22
config_fw0xa74000000xa76000002.0 MBnot written——
config0xa76000000xa800000010.0 MBnot written——
algorithm0xa80000000xb0000000128.0 MBalgorithm-x.squashfs.imgsquashfs2022-11-22

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