Skip to content

Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000008.1.R.210802.bin

Dahua firmware released Aug 2, 2021. May work with 54 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2023XA2-A.

Released
Aug 2, 2021
Version
V2.812.0000008.1.R
Size
193.5 MB
Hardware
54 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9ea15865fdbf40b51f7c17c86aae7ab9
SHA-256
810c06cf5f9e9fe99f0efc76acd6b533d9e3e851cbbcee0f9313b5e438079270

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (54 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 54 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, 54 IDs

Technical details

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

Architecture
arm
OEM build
Dahua
Flash
3.5 GB
Image dates
Aug 2, 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—2021-08-02
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2021-08-02
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2021-08-02
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2021-08-02
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2021-08-02
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2021-08-02
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2021-08-02
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.