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Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000012.0.R.210904.bin

Dahua firmware released Sep 4, 2021. May work with 61 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2023XA2-A.

Released
Sep 4, 2021
Version
V2.812.0000012.0.R
Size
199.0 MB
Hardware
61 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
a8f331d8a3bd34618f6faf067d900a75
SHA-256
98037e0ef6d7a292eefc57ea7334808db9093791d4cafe6017f2e40b2912af89

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (61 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 61 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, 61 IDs

Technical details

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

Architecture
arm
OEM build
Dahua
Flash
3.5 GB
Image dates
Sep 4, 2021
Security
Signed, encrypted, security baseline V2.2
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, 7 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2021-09-04
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2021-09-04
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2021-09-04
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2021-09-04
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2021-09-04
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2021-09-04
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2021-09-04
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.