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Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000040.0.R.220928.bin

Dahua firmware released Sep 28, 2022. May work with 65 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2023XA2-A.

Released
Sep 28, 2022
Version
V2.812.0000040.0.R
Size
206.7 MB
Hardware
65 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
6875e4459fada886cfde016228be6dd9
SHA-256
71cc86ab9f066b961cc51b97588e76b0d022b45338aa98aab95ddce58a10ac76

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (65 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 65 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, 65 IDs

Technical details

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

Architecture
arm
OEM build
Dahua
Flash
3.5 GB
Image dates
Sep 28, 2022
Security
Signed, encrypted, security baseline V2.2
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: 20 partitions, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2022-09-28
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2022-09-28
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2022-09-28
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2022-09-28
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2022-09-28
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2022-09-28
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2022-09-28
coredump0x2f9000000x3c100000200.0 MBnot written——
dgs0x3c1000000x3c9000008.0 MBnot written——
model0x3c9000000x53900000368.0 MBnot written——
reserve0x539000000x5590000032.0 MBnot written——
ext0x560000000x5c00000096.0 MBnot written——
devconfig0x5c0000000x5d00000016.0 MBnot written——
syslog0x5d0000000x5e00000016.0 MBnot written——
config0x5e0000000x5f00000016.0 MBnot written——
backup0x5f0000000x6000000016.0 MBnot written——
appdata0x600000000xe00000002.0 GBnot written——

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.2 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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