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Firmware

DH_SD-Prometheus_MultiLang_NP_Stream3_V2.812.0000032.2.R.220804.bin

Dahua firmware released Aug 4, 2022. May work with 65 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2023XA2-A.

Released
Aug 4, 2022
Version
V2.812.0000032.2.R
Size
207.9 MB
Hardware
65 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
c98203c76b539f10518101852ccabeb2
SHA-256
3d87f3683fc02074d7ba92dd2e2b08187667edfb6ebc98ef25b84eff9a64c296

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
Aug 4, 2022
Security
Signed, encrypted, security baseline V2.2
Language & video
English by default · 23 languages · NTSC
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—2022-08-04
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2022-08-04
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2022-08-04
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2022-08-04
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2022-08-04
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2022-08-04
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2022-08-04
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.