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Firmware

DH_NVR5XXX-I_Chn_V4.002.0000000.4.R.240725.bin

Dahua firmware released Aug 10, 2024. May work with 1 device.

Released
Aug 10, 2024
Version
V4.002.0000000.4.R
Size
224.7 MB
Hardware
1 device

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d29721507958cb6d3c66505d02097401
SHA-256
52f39be0a646a66c0fd0a434b662caab01a20848f45c9c5ef2cafc8b81688160

The vendor published a different MD5 for this file. It was kept because two separate downloads were identical, and it passed the integrity check; vendors occasionally publish wrong checksums.

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 Hi3559AV100
Architecture
arm
Bootloader
U-Boot 2016.11-svn3151
Flash
128.0 MB
Image dates
Jul 25, 2024
Security
Signed, security baseline V1.4, 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—2024-07-25
boot0x2000000x6000004.0 MBnot written——
rootfs0x6000000x170000017.0 MBromfs-x.squashfs.imgsquashfs2024-07-25
userfs0x17000000x450000046.0 MBuserfs-x.squashfs.imgsquashfs2024-07-25
core0x45000000x4f0000010.0 MBuserdata.squashfs.imgsquashfs2024-07-25
custom0x4f000000x51000002.0 MBcustom-x.squashfs.imgsquashfs2024-07-25
logo0x51000000x54000003.0 MBlogo-x.squashfs.imgsquashfs2024-07-25
config0x54000000x5a000006.0 MBnot written——
logs0x5a000000x640000010.0 MBnot written——
extend10x64000000x6c000008.0 MBnot written——
web0x6c000000x800000020.0 MBminios-x.squashfs.imgsquashfs2024-07-25

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.