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Firmware

DH_IPC-HX1XXX-Hertz_MultiLang_PN_V2.820.0000000.50.R.220919.bin

Dahua firmware released Sep 19, 2022. May work with 4 devices, including IPC-HFW1431S-A-S4, IPC-HFW1431SP-S4-QH, IPC-HFW4439K-TGD.

Released
Sep 19, 2022
Version
V2.820.0000000.50.R
Size
27.5 MB
Hardware
4 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
e3db8ecc50fb4a3355d94c644b6edffb
SHA-256
7595dbeda0f2a8e402ffcd8623a9683bf0d5635d4d40f8190660706bd4bcef31

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-svn10174
Flash
128.0 MB
Image dates
Sep 19, 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—2022-09-19
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.imgcramfs2022-09-19
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2022-09-19
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2022-09-19
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2022-09-19
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.