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Firmware

DH_NVR4XXX-4KS2_MultiLang_V4.001.0000005.1.R.210713.bin

Dahua and Viatec and Cifra and Global DS firmware released Jul 13, 2021. May work with 1 device.

Released
Jul 13, 2021
Version
V4.001.0000005.1.R
Size
55.8 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
34f9b57be1da6414c6127cb4731c5cba
SHA-256
0a453cd10af3db398b397505622e7b445082bc68d8fd37d694ef105f6f344261

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 Hi3798CV200
Architecture
arm
Flash
128.0 MB
Image dates
Jul 13, 2021
Security
Signed, security baseline V1.4, upgrade security version V2.0
Flash layout: 12 partitions, 6 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0x00x3000003.0 MBu-boot.bin.img—2021-07-13
env0x3000000x5000002.0 MBnot written——
uImage0x5000000xf0000010.0 MBuImage.img—2021-07-13
rootfs0xf000000x450000054.0 MBromfs-x.squashfs.imgsquashfs2021-07-13
web0x45000000x4f0000010.0 MBweb-x.squashfs.imgsquashfs2021-07-13
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2021-07-13
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgcramfs2021-07-13
config0x54000000x5a000006.0 MBnot written——
logs0x5a000000x640000010.0 MBnot written——
extend10x64000000x6c000008.0 MBnot written——
backup0x6c000000x780000012.0 MBnot written——
extend20x78000000x80000008.0 MBnot 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.