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Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000012.0.R.210904 (1).zip

ASM 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
199.1 MB
Hardware
61 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
189a65ae8749d57b25a82441db5dcbb7
SHA-256
ef8b0066fbe3cdeea7bdbd95f47601968f79f1092d42fa5ebfaec7a8671ee0f1

Where it's published

Compatible hardware

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

Where these IDs come from
  • hwid in DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000012.0.R.210904.bin: the device's own hardware check list, 61 IDs
  • Install in DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000012.0.R.210904.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000012.0.R.210904.bin: the device's own hardware check list, 61 IDs

Technical details

Read from inside the firmware (zip archive).

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.

Also published as

Byte-for-byte identical files under other names:

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