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Firmware

DH_IPC-HX5XXX-Volt_MultiLang_NP_Stream3-USA_MCF_V2.840.0000000.20.R.220831.bin

Dahua firmware released Aug 31, 2022. May work with 26 devices, including IPC-HDW4243H-E2-AST, IPC-HDW4243H-E2-ST, IPC-HDW4449H-E2-AST.

Released
Aug 31, 2022
Version
V2.840.0000000.20.R
Size
40.8 MB
Hardware
26 devices

Download

Download truncated file

Recovered from the Wayback Machine: the original link no longer works

MD5
c935fe75de05cc0e7fb5139f745755c5
SHA-256
15daa34879da4b6904814055072256a0c855103cc3801c8a9840fd48d79c0829

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (26 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 26 IDs
  • Install: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)

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
Aug 31, 2022
Security
Not signed, encrypted
Flash layout: 16 partitions, 5 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBnot written——
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2022-08-31
updateflag0x3000000x4000001.0 MBnot written——
hwid0x4000000x480000512.0 KBnot written——
config0x4800000xa800006.0 MBnot writtenubi—
backup0xa800000x10800006.0 MBnot writtenubi—
syslog0x10800000x16800006.0 MBnot writtenubi—
partition(ro)0x16800000x1700000512.0 KBnot writtencramfs—
dgs0x17000000x18000001.0 MBnot written——
kernel_min0x18000000x1a000002.0 MBkernel_min.img—2022-08-31
romfs_min(ro)0x1a000000x1e800004.5 MBromfs_min-x.squashfs.imgsquashfs2022-08-31
bakpart(ro)0x1e800000x1f00000512.0 KBpartition-x-bak.cramfs.imgcramfs2022-08-31
appdata0x1f000000x25000006.0 MBnot writtenubi—
Kernel0x25000000x29000004.0 MBkernel.img—2022-08-31
romfs(ro)0x29000000x520000041.0 MBnot writtensquashfs—
firmware(ro)0x52000000x800000046.0 MBnot writtensquashfs—

Other files for much of the same hardware, from any vendor.