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Firmware

DH_IPC-HX7XXX-Darwin_MultiLang_PN_V3.000.0000000.28.R.260831.zip

Dahua firmware released Sep 15, 2026. May work with 10 devices, including IPC-HDBW7442HP-Z-0832-S2, IPC-HDBW7442HP-Z-2712F-S2, IPC-HDBW7842HP-Z-0832-S2.

Released
Sep 15, 2026
Version
V3.000.0000000.28.R
Size
462.7 MB
Hardware
10 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9a82c57c89d23f122ad443f94ab1dd43
SHA-256
39c5ff460edde07e894c17cfe3f4351c04c2000a5a2de1b283dda8b322b95ca7
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (10 devices).

Where these IDs come from
  • hwid in DH_IPC-HX7XXX-Darwin_MultiLang_PN_V3.000.0000000.28.R.260831.bin: the device's own hardware check list, 10 IDs
  • Install in DH_IPC-HX7XXX-Darwin_MultiLang_PN_V3.000.0000000.28.R.260831.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img in DH_IPC-HX7XXX-Darwin_MultiLang_PN_V3.000.0000000.28.R.260831.bin: the device's own hardware check list, 10 IDs
  • check.img in firmware.bin: the device's own hardware check list, 10 IDs
  • Install in firmware.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • Install in web-x.squashfs.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img in web-x.squashfs.bin: the device's own hardware check list, 10 IDs

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 3 firmware images.

DH_IPC-HX7XXX-Darwin_MultiLang_PN_V3.000.0000000.28.R.260831.bin

SoC
Ambarella
Architecture
arm
OEM build
General
Bootloader
U-Boot 2016.11-svn8293
Flash
17179869185.7 GB
Image dates
Aug 31, 2026
Security
Signed
Language & video
English by default · 23 languages · PAL
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portuguese, Polish, Korean, Czech, Dutch, Arabic, SpanishEU, Turkish, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesian, Vietnamese, TradChinese, Japanese

Flash layout: 24 partitions, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1000001.0 MBdhboot-min.bin.img—2026-08-31
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2026-08-31
hwid0x3000000x4000001.0 MBnot written——
dgs0x4000000x5000001.0 MBnot written——
config0x5000000x250000032.0 MBnot writtenext4—
backup0x25000000x450000032.0 MBnot writtenext4—
syslog0x45000000x550000016.0 MBnot writtenext4—
updateflag0x55000000x56000001.0 MBnot written——
dtb(ro)0x56000000x57000001.0 MBdhdtb.bin.imgcramfs2026-08-31
product(ro)0x57000000x670000016.0 MBpd-x.squashfs.imgsquashfs2026-08-31
Kernel0x67000000x770000016.0 MBkernel.img—2026-08-31
romfs(ro)0x77000000xf700000128.0 MBromfs-x.squashfs.imgsquashfs2026-08-31
web(ro)0xf7000000x1370000064.0 MBweb-x.squashfs.imgsquashfs2026-08-31
aewb(ro)0x137000000x1470000016.0 MBnot writtensquashfs—
backdtb(ro)0x147000000x148000001.0 MBnot written——
backproduct(ro)0x148000000x1580000016.0 MBnot written——
backkernel0x158000000x1680000016.0 MBnot written——
backromfs(ro)0x168000000x1e800000128.0 MBnot written——
backweb(ro)0x1e8000000x2280000064.0 MBnot written——
backaewb(ro)0x228000000x2380000016.0 MBnot written——
data0x238000000x2580000032.0 MBnot written——
firmware(ro)0x258000000x658000001.0 GBnot writtenext4—
ext0x658000000x6d800000128.0 MBnot written——
appdata0x6d8000000x1000000006d7fffff17179869184.0 GBnot writtenext4—

firmware.bin

Architecture
arm
OEM build
General
Image dates
Aug 31, 2026
Security
Signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
firmware0x258000000x658000001.0 GBfirmware-x.ext4.imgext42026-08-31

web-x.squashfs.bin

Architecture
arm
OEM build
General
Image dates
Aug 31, 2026
Security
Signed, encrypted
Flash layout: 1 partition, 1 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
web0xf7000000x1370000064.0 MBweb-x.squashfs.imgsquashfs2026-08-31

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