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Firmware

DH_IPC-HX5XXX-Volt_MultiLang_NP_Stream3-USA_V2.840.18LK005.0.R.230526.bin

Dahua firmware released May 26, 2023. May work with 253 devices, including IPC-HCBW8442P, IPC-HDB5243E-ZYH-27135, IPC-HDBW4243R-AS.

Released
May 26, 2023
Version
V2.840.18LK005.0.R
Size
88.5 MB
Hardware
253 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d3067ca87f9bf097e26ebd8faa600d85
SHA-256
7ac82898b7d9105c9acf6c9cb5c84d60b0ef434f3581372dbc7b49d074cd9c8b

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (253 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 253 IDs
  • Install: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 253 IDs

Technical details

Read from inside the firmware (dahua package (zip variant)).

SoC
HiSilicon Hi3516CV500
Architecture
arm
OEM build
Dahua
Flash
128.0 MB
Image dates
May 26, 2023
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 23 languages · NTSC
Supported languages (23)

English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Turkish, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, Vietnamese, Arabic, SpanishEU, Hebrew, Thai, Indonesian

Flash layout: 16 partitions, 8 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2023-05-26
updateflag0x3000000x4000001.0 MBnot written——
hwid0x4000000x480000512.0 KBnot written——
config0x4800000xa800006.0 MBnot writtenubi—
backup0xa800000x10800006.0 MBnot writtenubi—
syslog0x10800000x16800006.0 MBnot writtenubi—
partition(ro)0x16800000x1700000512.0 KBpartition-x.cramfs.imgcramfs2023-05-26
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2023-05-26
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2023-05-26
bakpart(ro)0x1e800000x1f00000512.0 KBpartition-x-bak.cramfs.imgcramfs2023-05-26
appdata0x1f000000x25000006.0 MBnot writtenubi—
Kernel0x25000000x29000004.0 MBkernel.img—2023-05-26
romfs(ro)0x29000000x520000041.0 MBromfs-x.squashfs.imgsquashfs2023-05-26
firmware(ro)0x52000000x800000046.0 MBfirmware-x.squashfs.imgsquashfs2023-05-26

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 V2.1 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.