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Firmware

DH_SD-Prometheus_MultiLang_PN_Stream3-JianCe_V2.812.0000047.2.R.240723.zip

Dahua firmware released Aug 12, 2024. May work with 4 devices, including CA-HZ4032XB-E, CA-HZ4040XA-C, CA-HZ8040XA-A.

Released
Aug 12, 2024
Version
V2.812.0000047.2.R
Size
191.2 MB
Hardware
4 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7eadbbdd9004aceccb24e1f4462fbe60
SHA-256
87c317d63fbb37905d087507d498c1945005019be5febccf5f42289c1aa145c4
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (4 devices).

Where these IDs come from
  • hwid in DH_SD-Prometheus_MultiLang_PN_Stream3-JianCe_V2.812.0000047.2.R.240723.bin: the device's own hardware check list, 4 IDs
  • Install in DH_SD-Prometheus_MultiLang_PN_Stream3-JianCe_V2.812.0000047.2.R.240723.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-JianCe_V2.812.0000047.2.R.240723.bin: the device's own hardware check list, 4 IDs

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
OEM build
Dahua
Flash
3.5 GB
Image dates
Jul 23, 2024
Security
Signed, encrypted, security baseline V2.2
Language & video
English by default · 23 languages · PAL
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU, Turkey, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesia, 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—2024-07-23
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2024-07-23
lens0x6000000x8000002.0 MBnot written——
Kernel0x8000000x180000016.0 MBkernel.img—2024-07-23
custom(ro)0x18000000x1c000004.0 MBcustom-x.squashfs.imgsquashfs2024-07-23
product(ro)0x1c000000x20000004.0 MBpd-x.squashfs.imgsquashfs2024-07-23
romfs(ro)0x20000000x16000000320.0 MBromfs-x.squashfs.imgsquashfs2024-07-23
web(ro)0x160000000x1800000032.0 MBweb-x.squashfs.imgsquashfs2024-07-23
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.