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Firmware

Customer_NVR4x-4KS2L_MultiLang_DH_V4.003.10FS000.0.R.250507.zip

Dahua firmware released May 7, 2025. May work with 1 device.

Released
May 7, 2025
Version
V4.003.10FS000.0.R
Size
129.3 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
f63e1535171cab65947a41fc35fb79e2
SHA-256
c7f0ad2b84e13a8ef6b0aa86b4d0fec79d36474d7a0bc4d65faa79554f12fd4b

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 in Customer_NVR4x-4KS2L_MultiLang_DH_V4.003.10FS000.0.R.250507.bin: the installer script's board checks, 2 IDs

Technical details

Read from inside the firmware (zip archive). This file bundles 2 firmware images.

Firmware image

Architecture
arm
Image dates
May 7, 2025
Security
Not signed
Flash layout: 4 partitions, 4 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
u-boot0xa01400000xa05400004.0 MBu-boot.bin.img—2025-05-07
custom0xa37800000xa39800002.0 MBcustom-x.squashfs.imgsquashfs2025-05-07
web0xa39800000xa488000015.0 MBweb-x.squashfs.imgsquashfs2025-05-07
logo0xa48800000xa4a800002.0 MBlogo-x.squashfs.imgsquashfs2025-05-07

Customer_NVR4x-4KS2L_MultiLang_DH_V4.003.10FS000.0.R.250507.bin

Architecture
arm
Flash
128.0 MB
Image dates
May 7, 2025
Security
Signed, upgrade security version 3.00
Flash layout: 11 partitions, 7 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
param0x00x1400001.3 MBparam.bin.img—2025-05-07
boot0x1400000x5400004.0 MBu-boot.bin.img—2025-05-07
env0x5400000x7400002.0 MBnot written——
romfs0x7400000x378000048.3 MBromfs-x.squashfs.imgsquashfs2025-05-07
custom0x37800000x39800002.0 MBcustom-x.squashfs.imgsquashfs2025-05-07
web0x39800000x488000015.0 MBminios-x.squashfs.imgsquashfs2025-05-07
logo0x48800000x4a800002.0 MBlogo-x.squashfs.imgsquashfs2025-05-07
dgs0x4a800000x4b00000512.0 KBnot written——
algorithm0x4b000000x740000041.0 MBeusr-x.squashfs.imgsquashfs2025-05-07
config_fw0x74000000x76000002.0 MBnot written——
config0x76000000x800000010.0 MBnot written——

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