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Firmware

DH_IPC-HX1XXX-Hertz_MultiLang_PN_V2.820.0000000.44.R.220322.bin

Dahua firmware released Mar 22, 2022. May work with 4 devices, including IPC-HFW1431S-A-S4, IPC-HFW1431SP-S4-QH, IPC-HFW4439K-TGD.

Released
Mar 22, 2022
Version
V2.820.0000000.44.R
Size
27.4 MB
Hardware
4 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
56c4f89b5879949c2a4039df05807e07
SHA-256
bb330f2ca95daa0e976c88f8dfcc256a1e44788785be608922b3b4c7ef8f92b7

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (4 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 4 IDs
  • Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 4 IDs

Technical details

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

SoC
SigmaStar: one of SSC335DE, SSC335
Architecture
arm
OEM build
General
Bootloader
U-Boot 2010.06-svn9796
Flash
128.0 MB
Image dates
Mar 22, 2022
Security
Signed, encrypted
Language & video
English by default · 13 languages · PAL
Supported languages (13)

English, Italian, Spanish, Russian, French, German, Portuguese, Polish, Korean, Czech, Dutch, Arabic, SpanishEU

Flash layout: 20 partitions, 5 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x2800002.5 MBnot written——
U-Boot0x3400000x400000768.0 KBdhboot.bin.img—2022-03-22
hwid0x4000000x5000001.0 MBnot written——
dgs0x5000000x6000001.0 MBnot written——
syslog0x6000000xd000007.0 MBnot writtenubi—
config0xd000000x14000007.0 MBnot writtenubi—
backup0x14000000x1b000007.0 MBnot writtenubi—
updateflag0x1b000000x1c000001.0 MBnot written——
partition(ro)0x1c000000x1d000001.0 MBpartition-x.cramfs.imgcramfs2022-03-22
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2022-03-22
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2022-03-22
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2022-03-22
aewb(ro)0x4c000000x4e000002.0 MBnot writtensquashfs—
backpart(ro)0x4e000000x4f000001.0 MBnot written——
backproduct(ro)0x4f000000x54000005.0 MBnot written——
backkernel0x54000000x5b000007.0 MBnot written——
backweb(ro)0x5b000000x650000010.0 MBnot written——
backromfs(ro)0x65000000x7e0000025.0 MBnot written——
backaewb(ro)0x7e000000x80000002.0 MBnot written——

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