Skip to content

Firmware

DH_XVR7x32-I2(V2.0)_MultiLang_V4.000.0000000.7.R.221123.bin

Dahua firmware released Nov 23, 2022. May work with 2 devices.

Released
Nov 23, 2022
Version
V4.000.0000000.7.R
Size
150.1 MB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
e13524344d5fc4c97edda1107b05f02d
SHA-256
2af45fd9be8cbf1e7f7ebd296984818111bfa2760f6584ffc1fb31c858cb2823

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 (dahua package (zip variant)).

SoC
HiSilicon SS528V100
Architecture
arm
Kernel
Linux 4.19.90
Flash
256.0 MB
Image dates
Nov 23, 2022
Security
Signed
Flash layout: 12 partitions, 8 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
uboot0xa00000000xa02800002.5 MBu-boot.bin.img—2022-11-23
env0xa02800000xa04800002.0 MBnot written——
kernel0xa04800000xa138000015.0 MBuImage.img—2022-11-23
romfs0xa13800000xa418000046.0 MBromfs-x.squashfs.imgsquashfs2022-11-23
custom0xa41800000xa43800002.0 MBcustom-x.squashfs.imgsquashfs2022-11-23
web0xa43800000xa528000015.0 MBminios-x.squashfs.imgsquashfs2022-11-23
logo0xa52800000xa54800002.0 MBlogo-x.squashfs.imgsquashfs2022-11-23
dgs0xa54800000xa5500000512.0 KBnot written——
ext_usr0xa55000000xa7a0000037.0 MBext_usr-x.squashfs.imgsquashfs2022-11-23
config_fw0xa7a000000xa80000006.0 MBnot written——
config0xa80000000xa8a0000010.0 MBnot written——
algorithm0xa8a000000xb0000000118.0 MBalgorithm-x.squashfs.imgsquashfs2022-11-23

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