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Firmware

DH_IPC-HX5XXX-Volt_MultiLang_NP_Stream3_USA_V2.840.18LK002.0.R.230215.bin

Dahua firmware released Feb 15, 2023. May work with 253 devices, including IPC-HCBW8442P, IPC-HDB5243E-ZYH-27135, IPC-HDBW4243R-AS.

Released
Feb 15, 2023
Version
V2.840.18LK002.0.R
Size
82.0 MB
Hardware
253 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
754de6b5123eb4f95ab84fe76aa594ba
SHA-256
11e3c4025b6d348fe5f2f03ae8e05e38c48cfe5fc7b92a6455e14272ca245b40

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
Feb 15, 2023
Security
Signed, encrypted, security baseline V2.1
Language & video
English by default · 21 languages · NTSC
Supported languages (21)

English, TradChinese, Italian, Spanish, Japanese, Russian, French, German, Portuguese, Polish, Romanian, Hungarian, Korean, Czech, Dutch, Ukrainian, 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—2023-02-15
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.imgcramfs2023-02-15
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2023-02-15
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2023-02-15
bakpart(ro)0x1e800000x1f00000512.0 KBpartition-x-bak.cramfs.imgcramfs2023-02-15
appdata0x1f000000x25000006.0 MBnot writtenubi—
Kernel0x25000000x29000004.0 MBkernel.img—2023-02-15
romfs(ro)0x29000000x520000041.0 MBromfs-x.squashfs.imgsquashfs2023-02-15
firmware(ro)0x52000000x800000046.0 MBfirmware-x.squashfs.imgsquashfs2023-02-15

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.