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Firmware

DH_IPC-HX1XXX-Hertz_MultiLang_PN_V2.820.0000000.65.R.250121.bin

Dahua firmware released Jan 21, 2025. May work with 4 devices, including IPC-HFW1431S-A-S4, IPC-HFW1431SP-S4-QH, IPC-HFW4439K-TGD.

Released
Jan 21, 2025
Version
V2.820.0000000.65.R
Size
29.1 MB
Hardware
4 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
531c32a595d4cf862c6f5d6e12ae6e46
SHA-256
ebc20442149c0868a3f07ef9e1d11021fd38b0462c8f0ffa6db59e0b3f03605d

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 Dahua (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
Dahua
Bootloader
U-Boot 2010.06-svn17450
Flash
128.0 MB
Image dates
Jan 21, 2025
Security
Signed, encrypted
Language & video
English by default · 13 languages · PAL
Supported languages (13)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, 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—2025-01-21
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.imgcramfs2025-01-21
product(ro)0x1d000000x22000005.0 MBnot writtensquashfs—
Kernel0x22000000x29000007.0 MBkernel.img—2025-01-21
web(ro)0x29000000x330000010.0 MBweb-x.squashfs.imgsquashfs2025-01-21
romfs(ro)0x33000000x4c0000025.0 MBromfs-x.squashfs.imgsquashfs2025-01-21
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.