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Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000032.2.R.220804.zip

Dahua firmware released Aug 25, 2022. May work with 65 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2023XA2-A.

Released
Aug 25, 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
41cdad9bdab3b6f576380a510b8d71c8
SHA-256
b9f17fab7cff085a53c8a617819f348cdc4291597a3509e4f3c6cde1154f2e95

Where it's published

Compatible hardware

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

Where these IDs come from
  • hwid in DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000032.2.R.220804.bin: the device's own hardware check list, 65 IDs
  • Install in DH_SD-Prometheus_MultiLang_PN_Stream3_V2.812.0000032.2.R.220804.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_V2.812.0000032.2.R.220804.bin: the device's own hardware check list, 65 IDs

Technical details

Read from inside the firmware (zip archive).

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 · 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—2022-08-04
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.