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Firmware

DH_NVR4XXX-I_MultiLang_V4.001.0000000.3.R.210710.bin

Dahua firmware released Jul 10, 2021. May work with 1 device.

Released
Jul 10, 2021
Version
V4.001.0000000.3.R
Size
112.4 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7753ecb1ddebda3626d914eea270ac73
SHA-256
3848916a3f07331a82284803d3ef66e257ae6bb25331ffe939d0fca5c19cd721

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 Hi3519AV100
Architecture
arm
Bootloader
U-Boot 2016.11-svn3151
Flash
1.0 GB
Image dates
Jul 10, 2021
Security
Signed, upgrade security version V2.0
Flash layout: 11 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
updateboot0x1000000x2000001.0 MBu-boot.bin.img—2021-07-10
boot0x2000000x6000004.0 MBnot written——
rootfs0x6000000x2e0000040.0 MBromfs-x.squashfs.imgsquashfs2021-07-10
userfs0x2e000000xe000000178.0 MBuserfs-x.squashfs.imgsquashfs2021-07-10
web0xe0000000xfe0000030.0 MBweb-x.squashfs.imgsquashfs2021-07-10
custom0xfe000000x101000003.0 MBcustom-x.squashfs.imgsquashfs2021-07-10
logo0x101000000x106000005.0 MBlogo-x.squashfs.imgsquashfs2021-07-10
config0x106000000x11a0000020.0 MBnot written——
logs0x11a000000x1380000030.0 MBnot written——
extend0x138000000x20000000200.0 MBnot written——
algorithm0x200000000x40000000512.0 MBalgorithm.img—2021-07-10

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