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Firmware

DH_NVR2XXX-S3_MultiLang_V4.000.0000000.0.R.211126.bin

Global DS firmware released Nov 26, 2021. May work with 1 device.

Released
Nov 26, 2021
Version
V4.000.0000000.0.R
Size
50.2 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
cbce4c0763c391f8c25f53306b55da23
SHA-256
7a0210b0e6c5b1794d5700dce35ae84e87a006d07a15d73728c5f5e43a572c23

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
Nov 26, 2021
Security
Signed, security baseline V1.4, upgrade security version 2.10
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—2021-11-26
env0x4400000x5400001.0 MBnot written——
romfs0x5400000x2a4000037.0 MBromfs-x.squashfs.imgsquashfs2021-11-26
custom0x2a400000x2ac0000512.0 KBcustom-x.squashfs.imgsquashfs2021-11-26
web0x2ac00000x34c000010.0 MBminios-x.squashfs.imgsquashfs2021-11-26
logo0x34c00000x3540000512.0 KBlogo-x.squashfs.imgsquashfs2021-11-26
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.