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Firmware

DH_NVR2XXX-S3_MultiLang_V4.000.0000000.1.R.230214.bin

Dahua firmware released Feb 14, 2023. May work with 1 device.

Released
Feb 14, 2023
Version
V4.000.0000000.1.R
Size
49.4 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
93fc7b9dbb441ee515c13a1abfd259f9
SHA-256
b4c6e46f9fe14b165742ce6cdce68dd4f25f86e151a9b773a0fd54419a522322

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)).

Architecture
arm
Flash
64.0 MB
Image dates
Feb 14, 2023
Security
Signed, security baseline V1.4, upgrade security version 2.20
Flash layout: 13 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
param0x00x1400001.3 MBnot written——
ipl0x1400000x200000768.0 KBnot written——
ipl_cust0x2000000x2c0000768.0 KBnot written——
boot0x2c00000x4400001.5 MBu-boot.bin.img—2023-02-14
env0x4400000x5400001.0 MBnot written——
romfs0x5400000x2a4000037.0 MBromfs-x.squashfs.imgsquashfs2023-02-14
custom0x2a400000x2ac0000512.0 KBcustom-x.squashfs.imgsquashfs2023-02-14
web0x2ac00000x34c000010.0 MBminios-x.squashfs.imgsquashfs2023-02-14
logo0x34c00000x3540000512.0 KBlogo-x.squashfs.imgsquashfs2023-02-14
config_fw0x35400000x38400003.0 MBnot written——
config0x38400000x3dc00005.5 MBnot written——
logs0x3dc00000x3fc00002.0 MBnot written——
dgs0x3fc00000x4000000256.0 KBnot written——

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V1.4 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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