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Firmware

DH_SD-Prometheus_MultiLang_NP_Stream3_V2.812.0000047.2.R.240723.zip

Dahua firmware released Aug 12, 2024. May work with 65 devices, including CA-HZ2023XA-A, CA-HZ2023XA-B, CA-HZ2023XA2-A.

Released
Aug 12, 2024
Version
V2.812.0000047.2.R
Size
207.9 MB
Hardware
65 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
d4a272097b8f75f9a40b7f11be28f846
SHA-256
78ed21c0e7e60a0f5b1dfde111d691db9408582759da3ad52aa742aa0810699c
Changelog
Release notes

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_NP_Stream3_V2.812.0000047.2.R.240723.bin: the device's own hardware check list, 65 IDs
  • Install in DH_SD-Prometheus_MultiLang_NP_Stream3_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_NP_Stream3_V2.812.0000047.2.R.240723.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
Jul 23, 2024
Security
Signed, encrypted, security baseline V2.2
Language & video
English by default · 23 languages · NTSC
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.